Finding the Third Proportional to 728,123,425 and 1,604,661,592

Step by Step Solution

1. Step 1: Write the proportion equation
   728,123,425 : 1,604,661,592 = 1,604,661,592 : x
2. Step 2: Convert to fraction form
   728,123,425/1,604,661,592 = 1,604,661,592/x
3. Step 3: Cross multiply
   728,123,425x = 1,604,661,592 × 1,604,661,592
4. Step 4: Simplify right side
   728,123,425x = 2,574,938,824,839,974,400
5. Step 5: Solve for x
   x = 2,574,938,824,839,974,400/728,123,425
6. Step 6: Final answer
   x = 3,536,404,318.87