Finding the Third Proportional to 987,213,406,809 and 2,002,185,006,574.50

Step by Step Solution

1. Step 1: Write the proportion equation
   987,213,406,809 : 2,002,185,006,574.50 = 2,002,185,006,574.50 : x
2. Step 2: Convert to fraction form
   987,213,406,809/2,002,185,006,574.50 = 2,002,185,006,574.50/x
3. Step 3: Cross multiply
   987,213,406,809x = 2,002,185,006,574.50 × 2,002,185,006,574.50
4. Step 4: Simplify right side
   987,213,406,809x = 4,008,744,800,551,730,426,150,912
5. Step 5: Solve for x
   x = 4,008,744,800,551,730,426,150,912/987,213,406,809
6. Step 6: Final answer
   x = 4,060,666,896,238.09