Finding the Third Proportional to 17,839.50 and 27,429

Step by Step Solution

1. Step 1: Write the proportion equation
   17,839.50 : 27,429 = 27,429 : x
2. Step 2: Convert to fraction form
   17,839.50/27,429 = 27,429/x
3. Step 3: Cross multiply
   17,839.50x = 27,429 × 27,429
4. Step 4: Simplify right side
   17,839.50x = 752,350,041
5. Step 5: Solve for x
   x = 752,350,041/17,839.50
6. Step 6: Final answer
   x = 42,173.27