Finding the Third Proportional to 81,939 and 117,004.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,939 : 117,004.50 = 117,004.50 : x
2. Step 2: Convert to fraction form
   81,939/117,004.50 = 117,004.50/x
3. Step 3: Cross multiply
   81,939x = 117,004.50 × 117,004.50
4. Step 4: Simplify right side
   81,939x = 13,690,053,020.25
5. Step 5: Solve for x
   x = 13,690,053,020.25/81,939
6. Step 6: Final answer
   x = 167,076.15