Finding the Third Proportional to 477,655.50 and 696,792

Step by Step Solution

1. Step 1: Write the proportion equation
   477,655.50 : 696,792 = 696,792 : x
2. Step 2: Convert to fraction form
   477,655.50/696,792 = 696,792/x
3. Step 3: Cross multiply
   477,655.50x = 696,792 × 696,792
4. Step 4: Simplify right side
   477,655.50x = 485,519,091,264
5. Step 5: Solve for x
   x = 485,519,091,264/477,655.50
6. Step 6: Final answer
   x = 1,016,462.89