Finding the Third Proportional to 127,150.50 and 172,681.50

Step by Step Solution

1. Step 1: Write the proportion equation
   127,150.50 : 172,681.50 = 172,681.50 : x
2. Step 2: Convert to fraction form
   127,150.50/172,681.50 = 172,681.50/x
3. Step 3: Cross multiply
   127,150.50x = 172,681.50 × 172,681.50
4. Step 4: Simplify right side
   127,150.50x = 29,818,900,442.25
5. Step 5: Solve for x
   x = 29,818,900,442.25/127,150.50
6. Step 6: Final answer
   x = 234,516.58