Finding the Third Proportional to 17,139.75 and 37,423.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,139.75 : 37,423.50 = 37,423.50 : x
2. Step 2: Convert to fraction form
   17,139.75/37,423.50 = 37,423.50/x
3. Step 3: Cross multiply
   17,139.75x = 37,423.50 × 37,423.50
4. Step 4: Simplify right side
   17,139.75x = 1,400,518,352.25
5. Step 5: Solve for x
   x = 1,400,518,352.25/17,139.75
6. Step 6: Final answer
   x = 81,711.71