Finding the Third Proportional to 477,659.50 and 696,798

Step by Step Solution

1. Step 1: Write the proportion equation
   477,659.50 : 696,798 = 696,798 : x
2. Step 2: Convert to fraction form
   477,659.50/696,798 = 696,798/x
3. Step 3: Cross multiply
   477,659.50x = 696,798 × 696,798
4. Step 4: Simplify right side
   477,659.50x = 485,527,452,804
5. Step 5: Solve for x
   x = 485,527,452,804/477,659.50
6. Step 6: Final answer
   x = 1,016,471.89