Finding the Third Proportional to 558,882,770,665.50 and 1,215,687,586,054.50

Step by Step Solution

1. Step 1: Write the proportion equation
   558,882,770,665.50 : 1,215,687,586,054.50 = 1,215,687,586,054.50 : x
2. Step 2: Convert to fraction form
   558,882,770,665.50/1,215,687,586,054.50 = 1,215,687,586,054.50/x
3. Step 3: Cross multiply
   558,882,770,665.50x = 1,215,687,586,054.50 × 1,215,687,586,054.50
4. Step 4: Simplify right side
   558,882,770,665.50x = 1,477,896,306,887,017,241,772,032
5. Step 5: Solve for x
   x = 1,477,896,306,887,017,241,772,032/558,882,770,665.50
6. Step 6: Final answer
   x = 2,644,376,217,086.07