Finding the Third Proportional to 39,091.50 and 85,352.63

Step by Step Solution

1. Step 1: Write the proportion equation
   39,091.50 : 85,352.63 = 85,352.63 : x
2. Step 2: Convert to fraction form
   39,091.50/85,352.63 = 85,352.63/x
3. Step 3: Cross multiply
   39,091.50x = 85,352.63 × 85,352.63
4. Step 4: Simplify right side
   39,091.50x = 7,285,070,594.39
5. Step 5: Solve for x
   x = 7,285,070,594.39/39,091.50
6. Step 6: Final answer
   x = 186,359.45