Finding the Third Proportional to 525,417,691.50 and 739,065,561

Step by Step Solution

1. Step 1: Write the proportion equation
   525,417,691.50 : 739,065,561 = 739,065,561 : x
2. Step 2: Convert to fraction form
   525,417,691.50/739,065,561 = 739,065,561/x
3. Step 3: Cross multiply
   525,417,691.50x = 739,065,561 × 739,065,561
4. Step 4: Simplify right side
   525,417,691.50x = 546,217,903,456,244,736
5. Step 5: Solve for x
   x = 546,217,903,456,244,736/525,417,691.50
6. Step 6: Final answer
   x = 1,039,587,955.06