Finding the Third Proportional to 451,648.50 and 700,162.50

Step by Step Solution

1. Step 1: Write the proportion equation
   451,648.50 : 700,162.50 = 700,162.50 : x
2. Step 2: Convert to fraction form
   451,648.50/700,162.50 = 700,162.50/x
3. Step 3: Cross multiply
   451,648.50x = 700,162.50 × 700,162.50
4. Step 4: Simplify right side
   451,648.50x = 490,227,526,406.25
5. Step 5: Solve for x
   x = 490,227,526,406.25/451,648.50
6. Step 6: Final answer
   x = 1,085,418.25