Finding the Third Proportional to 477,654 and 696,791.25

Step by Step Solution

1. Step 1: Write the proportion equation
   477,654 : 696,791.25 = 696,791.25 : x
2. Step 2: Convert to fraction form
   477,654/696,791.25 = 696,791.25/x
3. Step 3: Cross multiply
   477,654x = 696,791.25 × 696,791.25
4. Step 4: Simplify right side
   477,654x = 485,518,046,076.56
5. Step 5: Solve for x
   x = 485,518,046,076.56/477,654
6. Step 6: Final answer
   x = 1,016,463.90