Finding the Third Proportional to 62,982,877.50 and 138,072,643.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,982,877.50 : 138,072,643.50 = 138,072,643.50 : x
2. Step 2: Convert to fraction form
   62,982,877.50/138,072,643.50 = 138,072,643.50/x
3. Step 3: Cross multiply
   62,982,877.50x = 138,072,643.50 × 138,072,643.50
4. Step 4: Simplify right side
   62,982,877.50x = 19,064,054,883,078,092
5. Step 5: Solve for x
   x = 19,064,054,883,078,092/62,982,877.50
6. Step 6: Final answer
   x = 302,686,311.58