Finding the Third Proportional to 216,121.50 and 465,534

Step by Step Solution

1. Step 1: Write the proportion equation
   216,121.50 : 465,534 = 465,534 : x
2. Step 2: Convert to fraction form
   216,121.50/465,534 = 465,534/x
3. Step 3: Cross multiply
   216,121.50x = 465,534 × 465,534
4. Step 4: Simplify right side
   216,121.50x = 216,721,905,156
5. Step 5: Solve for x
   x = 216,721,905,156/216,121.50
6. Step 6: Final answer
   x = 1,002,778.09