Finding the Third Proportional to 17,918.72 and 26,388.28

Step by Step Solution

1. Step 1: Write the proportion equation
   17,918.72 : 26,388.28 = 26,388.28 : x
2. Step 2: Convert to fraction form
   17,918.72/26,388.28 = 26,388.28/x
3. Step 3: Cross multiply
   17,918.72x = 26,388.28 × 26,388.28
4. Step 4: Simplify right side
   17,918.72x = 696,341,387.33
5. Step 5: Solve for x
   x = 696,341,387.33/17,918.72
6. Step 6: Final answer
   x = 38,861.11