Finding the Third Proportional to 215,680.50 and 453,670

Step by Step Solution

1. Step 1: Write the proportion equation
   215,680.50 : 453,670 = 453,670 : x
2. Step 2: Convert to fraction form
   215,680.50/453,670 = 453,670/x
3. Step 3: Cross multiply
   215,680.50x = 453,670 × 453,670
4. Step 4: Simplify right side
   215,680.50x = 205,816,468,900
5. Step 5: Solve for x
   x = 205,816,468,900/215,680.50
6. Step 6: Final answer
   x = 954,265.54