Finding the Third Proportional to 215,679.50 and 453,668

Step by Step Solution

1. Step 1: Write the proportion equation
   215,679.50 : 453,668 = 453,668 : x
2. Step 2: Convert to fraction form
   215,679.50/453,668 = 453,668/x
3. Step 3: Cross multiply
   215,679.50x = 453,668 × 453,668
4. Step 4: Simplify right side
   215,679.50x = 205,814,654,224
5. Step 5: Solve for x
   x = 205,814,654,224/215,679.50
6. Step 6: Final answer
   x = 954,261.55