Finding the Third Proportional to 798,871.50 and 1,123,661.25

Step by Step Solution

1. Step 1: Write the proportion equation
   798,871.50 : 1,123,661.25 = 1,123,661.25 : x
2. Step 2: Convert to fraction form
   798,871.50/1,123,661.25 = 1,123,661.25/x
3. Step 3: Cross multiply
   798,871.50x = 1,123,661.25 × 1,123,661.25
4. Step 4: Simplify right side
   798,871.50x = 1,262,614,604,751.56
5. Step 5: Solve for x
   x = 1,262,614,604,751.56/798,871.50
6. Step 6: Final answer
   x = 1,580,497.75