Finding the Third Proportional to 39,800.25 and 54,085.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,800.25 : 54,085.50 = 54,085.50 : x
2. Step 2: Convert to fraction form
   39,800.25/54,085.50 = 54,085.50/x
3. Step 3: Cross multiply
   39,800.25x = 54,085.50 × 54,085.50
4. Step 4: Simplify right side
   39,800.25x = 2,925,241,310.25
5. Step 5: Solve for x
   x = 2,925,241,310.25/39,800.25
6. Step 6: Final answer
   x = 73,498.06