Finding the Third Proportional to 181,658.72 and 424,301.72

Step by Step Solution

1. Step 1: Write the proportion equation
   181,658.72 : 424,301.72 = 424,301.72 : x
2. Step 2: Convert to fraction form
   181,658.72/424,301.72 = 424,301.72/x
3. Step 3: Cross multiply
   181,658.72x = 424,301.72 × 424,301.72
4. Step 4: Simplify right side
   181,658.72x = 180,031,948,534.20
5. Step 5: Solve for x
   x = 180,031,948,534.20/181,658.72
6. Step 6: Final answer
   x = 991,044.91