Finding the Third Proportional to 17,516.28 and 38,439.06

Step by Step Solution

1. Step 1: Write the proportion equation
   17,516.28 : 38,439.06 = 38,439.06 : x
2. Step 2: Convert to fraction form
   17,516.28/38,439.06 = 38,439.06/x
3. Step 3: Cross multiply
   17,516.28x = 38,439.06 × 38,439.06
4. Step 4: Simplify right side
   17,516.28x = 1,477,561,525.88
5. Step 5: Solve for x
   x = 1,477,561,525.88/17,516.28
6. Step 6: Final answer
   x = 84,353.61