Finding the Third Proportional to 68,830,464 and 149,799,256

Step by Step Solution

1. Step 1: Write the proportion equation
   68,830,464 : 149,799,256 = 149,799,256 : x
2. Step 2: Convert to fraction form
   68,830,464/149,799,256 = 149,799,256/x
3. Step 3: Cross multiply
   68,830,464x = 149,799,256 × 149,799,256
4. Step 4: Simplify right side
   68,830,464x = 22,439,817,098,153,536
5. Step 5: Solve for x
   x = 22,439,817,098,153,536/68,830,464
6. Step 6: Final answer
   x = 326,015,775.49