Finding the Third Proportional to 17,881.50 and 27,612

Step by Step Solution

1. Step 1: Write the proportion equation
   17,881.50 : 27,612 = 27,612 : x
2. Step 2: Convert to fraction form
   17,881.50/27,612 = 27,612/x
3. Step 3: Cross multiply
   17,881.50x = 27,612 × 27,612
4. Step 4: Simplify right side
   17,881.50x = 762,422,544
5. Step 5: Solve for x
   x = 762,422,544/17,881.50
6. Step 6: Final answer
   x = 42,637.50