Finding the Third Proportional to 38,940 and 59,179.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,940 : 59,179.50 = 59,179.50 : x
2. Step 2: Convert to fraction form
   38,940/59,179.50 = 59,179.50/x
3. Step 3: Cross multiply
   38,940x = 59,179.50 × 59,179.50
4. Step 4: Simplify right side
   38,940x = 3,502,213,220.25
5. Step 5: Solve for x
   x = 3,502,213,220.25/38,940
6. Step 6: Final answer
   x = 89,938.71