Finding the Third Proportional to 215,168.81 and 472,801.88

Step by Step Solution

1. Step 1: Write the proportion equation
   215,168.81 : 472,801.88 = 472,801.88 : x
2. Step 2: Convert to fraction form
   215,168.81/472,801.88 = 472,801.88/x
3. Step 3: Cross multiply
   215,168.81x = 472,801.88 × 472,801.88
4. Step 4: Simplify right side
   215,168.81x = 223,541,613,003.52
5. Step 5: Solve for x
   x = 223,541,613,003.52/215,168.81
6. Step 6: Final answer
   x = 1,038,912.70