Finding the Third Proportional to 117,733.50 and 168,139.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,733.50 : 168,139.50 = 168,139.50 : x
2. Step 2: Convert to fraction form
   117,733.50/168,139.50 = 168,139.50/x
3. Step 3: Cross multiply
   117,733.50x = 168,139.50 × 168,139.50
4. Step 4: Simplify right side
   117,733.50x = 28,270,891,460.25
5. Step 5: Solve for x
   x = 28,270,891,460.25/117,733.50
6. Step 6: Final answer
   x = 240,126.14