Finding the Third Proportional to 657,474 and 986,226.75

Step by Step Solution

1. Step 1: Write the proportion equation
   657,474 : 986,226.75 = 986,226.75 : x
2. Step 2: Convert to fraction form
   657,474/986,226.75 = 986,226.75/x
3. Step 3: Cross multiply
   657,474x = 986,226.75 × 986,226.75
4. Step 4: Simplify right side
   657,474x = 972,643,202,415.56
5. Step 5: Solve for x
   x = 972,643,202,415.56/657,474
6. Step 6: Final answer
   x = 1,479,363.75