Finding the Third Proportional to 117,531 and 171,373.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,531 : 171,373.50 = 171,373.50 : x
2. Step 2: Convert to fraction form
   117,531/171,373.50 = 171,373.50/x
3. Step 3: Cross multiply
   117,531x = 171,373.50 × 171,373.50
4. Step 4: Simplify right side
   117,531x = 29,368,876,502.25
5. Step 5: Solve for x
   x = 29,368,876,502.25/117,531
6. Step 6: Final answer
   x = 249,881.96