Finding the Third Proportional to 661,156.88 and 982,015.31

Step by Step Solution

1. Step 1: Write the proportion equation
   661,156.88 : 982,015.31 = 982,015.31 : x
2. Step 2: Convert to fraction form
   661,156.88/982,015.31 = 982,015.31/x
3. Step 3: Cross multiply
   661,156.88x = 982,015.31 × 982,015.31
4. Step 4: Simplify right side
   661,156.88x = 964,354,073,984.47
5. Step 5: Solve for x
   x = 964,354,073,984.47/661,156.88
6. Step 6: Final answer
   x = 1,458,585.87