Finding the Third Proportional to 9,008.72 and 19,655.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,008.72 : 19,655.16 = 19,655.16 : x
2. Step 2: Convert to fraction form
   9,008.72/19,655.16 = 19,655.16/x
3. Step 3: Cross multiply
   9,008.72x = 19,655.16 × 19,655.16
4. Step 4: Simplify right side
   9,008.72x = 386,325,167.21
5. Step 5: Solve for x
   x = 386,325,167.21/9,008.72
6. Step 6: Final answer
   x = 42,883.48