Finding the Third Proportional to 71,139,866 and 153,065,044

Step by Step Solution

1. Step 1: Write the proportion equation
   71,139,866 : 153,065,044 = 153,065,044 : x
2. Step 2: Convert to fraction form
   71,139,866/153,065,044 = 153,065,044/x
3. Step 3: Cross multiply
   71,139,866x = 153,065,044 × 153,065,044
4. Step 4: Simplify right side
   71,139,866x = 23,428,907,694,721,936
5. Step 5: Solve for x
   x = 23,428,907,694,721,936/71,139,866
6. Step 6: Final answer
   x = 329,335,842.36