Finding the Third Proportional to 17,439.75 and 38,754

Step by Step Solution

1. Step 1: Write the proportion equation
   17,439.75 : 38,754 = 38,754 : x
2. Step 2: Convert to fraction form
   17,439.75/38,754 = 38,754/x
3. Step 3: Cross multiply
   17,439.75x = 38,754 × 38,754
4. Step 4: Simplify right side
   17,439.75x = 1,501,872,516
5. Step 5: Solve for x
   x = 1,501,872,516/17,439.75
6. Step 6: Final answer
   x = 86,117.78