Finding the Third Proportional to 42,191.50 and 59,339.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,191.50 : 59,339.50 = 59,339.50 : x
2. Step 2: Convert to fraction form
   42,191.50/59,339.50 = 59,339.50/x
3. Step 3: Cross multiply
   42,191.50x = 59,339.50 × 59,339.50
4. Step 4: Simplify right side
   42,191.50x = 3,521,176,260.25
5. Step 5: Solve for x
   x = 3,521,176,260.25/42,191.50
6. Step 6: Final answer
   x = 83,457.01