Finding the Third Proportional to 215,599.50 and 453,542

Step by Step Solution

1. Step 1: Write the proportion equation
   215,599.50 : 453,542 = 453,542 : x
2. Step 2: Convert to fraction form
   215,599.50/453,542 = 453,542/x
3. Step 3: Cross multiply
   215,599.50x = 453,542 × 453,542
4. Step 4: Simplify right side
   215,599.50x = 205,700,345,764
5. Step 5: Solve for x
   x = 205,700,345,764/215,599.50
6. Step 6: Final answer
   x = 954,085.45