Finding the Third Proportional to 728,123,411.25 and 1,604,661,563.25

Step by Step Solution

1. Step 1: Write the proportion equation
   728,123,411.25 : 1,604,661,563.25 = 1,604,661,563.25 : x
2. Step 2: Convert to fraction form
   728,123,411.25/1,604,661,563.25 = 1,604,661,563.25/x
3. Step 3: Cross multiply
   728,123,411.25x = 1,604,661,563.25 × 1,604,661,563.25
4. Step 4: Simplify right side
   728,123,411.25x = 2,574,938,732,571,933,696
5. Step 5: Solve for x
   x = 2,574,938,732,571,933,696/728,123,411.25
6. Step 6: Final answer
   x = 3,536,404,258.93