Finding the Third Proportional to 39,116.25 and 85,279.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,116.25 : 85,279.50 = 85,279.50 : x
2. Step 2: Convert to fraction form
   39,116.25/85,279.50 = 85,279.50/x
3. Step 3: Cross multiply
   39,116.25x = 85,279.50 × 85,279.50
4. Step 4: Simplify right side
   39,116.25x = 7,272,593,120.25
5. Step 5: Solve for x
   x = 7,272,593,120.25/39,116.25
6. Step 6: Final answer
   x = 185,922.55