Finding the Third Proportional to 17,617.50 and 27,312.19

Step by Step Solution

1. Step 1: Write the proportion equation
   17,617.50 : 27,312.19 = 27,312.19 : x
2. Step 2: Convert to fraction form
   17,617.50/27,312.19 = 27,312.19/x
3. Step 3: Cross multiply
   17,617.50x = 27,312.19 × 27,312.19
4. Step 4: Simplify right side
   17,617.50x = 745,955,586.04
5. Step 5: Solve for x
   x = 745,955,586.04/17,617.50
6. Step 6: Final answer
   x = 42,341.74