Finding the Third Proportional to 295,451 and 485,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   295,451 : 485,401.50 = 485,401.50 : x
2. Step 2: Convert to fraction form
   295,451/485,401.50 = 485,401.50/x
3. Step 3: Cross multiply
   295,451x = 485,401.50 × 485,401.50
4. Step 4: Simplify right side
   295,451x = 235,614,616,202.25
5. Step 5: Solve for x
   x = 235,614,616,202.25/295,451
6. Step 6: Final answer
   x = 797,474.42