Finding the Third Proportional to 485,382 and 759,761.25

Step by Step Solution

1. Step 1: Write the proportion equation
   485,382 : 759,761.25 = 759,761.25 : x
2. Step 2: Convert to fraction form
   485,382/759,761.25 = 759,761.25/x
3. Step 3: Cross multiply
   485,382x = 759,761.25 × 759,761.25
4. Step 4: Simplify right side
   485,382x = 577,237,157,001.56
5. Step 5: Solve for x
   x = 577,237,157,001.56/485,382
6. Step 6: Final answer
   x = 1,189,243.02