Finding the Third Proportional to 216,113.50 and 465,518

Step by Step Solution

1. Step 1: Write the proportion equation
   216,113.50 : 465,518 = 465,518 : x
2. Step 2: Convert to fraction form
   216,113.50/465,518 = 465,518/x
3. Step 3: Cross multiply
   216,113.50x = 465,518 × 465,518
4. Step 4: Simplify right side
   216,113.50x = 216,707,008,324
5. Step 5: Solve for x
   x = 216,707,008,324/216,113.50
6. Step 6: Final answer
   x = 1,002,746.28