Finding the Third Proportional to 38,807.50 and 84,879.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,807.50 : 84,879.50 = 84,879.50 : x
2. Step 2: Convert to fraction form
   38,807.50/84,879.50 = 84,879.50/x
3. Step 3: Cross multiply
   38,807.50x = 84,879.50 × 84,879.50
4. Step 4: Simplify right side
   38,807.50x = 7,204,529,520.25
5. Step 5: Solve for x
   x = 7,204,529,520.25/38,807.50
6. Step 6: Final answer
   x = 185,647.86