Finding the Third Proportional to 661,191.75 and 982,066.50

Step by Step Solution

1. Step 1: Write the proportion equation
   661,191.75 : 982,066.50 = 982,066.50 : x
2. Step 2: Convert to fraction form
   661,191.75/982,066.50 = 982,066.50/x
3. Step 3: Cross multiply
   661,191.75x = 982,066.50 × 982,066.50
4. Step 4: Simplify right side
   661,191.75x = 964,454,610,422.25
5. Step 5: Solve for x
   x = 964,454,610,422.25/661,191.75
6. Step 6: Final answer
   x = 1,458,660.99