Finding the Third Proportional to 477,657 and 696,795.50

Step by Step Solution

1. Step 1: Write the proportion equation
   477,657 : 696,795.50 = 696,795.50 : x
2. Step 2: Convert to fraction form
   477,657/696,795.50 = 696,795.50/x
3. Step 3: Cross multiply
   477,657x = 696,795.50 × 696,795.50
4. Step 4: Simplify right side
   477,657x = 485,523,968,820.25
5. Step 5: Solve for x
   x = 485,523,968,820.25/477,657
6. Step 6: Final answer
   x = 1,016,469.91