Finding the Third Proportional to 71,139,860 and 153,065,032

Step by Step Solution

1. Step 1: Write the proportion equation
   71,139,860 : 153,065,032 = 153,065,032 : x
2. Step 2: Convert to fraction form
   71,139,860/153,065,032 = 153,065,032/x
3. Step 3: Cross multiply
   71,139,860x = 153,065,032 × 153,065,032
4. Step 4: Simplify right side
   71,139,860x = 23,428,904,021,161,024
5. Step 5: Solve for x
   x = 23,428,904,021,161,024/71,139,860
6. Step 6: Final answer
   x = 329,335,818.50