Finding the Third Proportional to 215,390.50 and 469,948

Step by Step Solution

1. Step 1: Write the proportion equation
   215,390.50 : 469,948 = 469,948 : x
2. Step 2: Convert to fraction form
   215,390.50/469,948 = 469,948/x
3. Step 3: Cross multiply
   215,390.50x = 469,948 × 469,948
4. Step 4: Simplify right side
   215,390.50x = 220,851,122,704
5. Step 5: Solve for x
   x = 220,851,122,704/215,390.50
6. Step 6: Final answer
   x = 1,025,352.20