Finding the Third Proportional to 17,518.78 and 22,876.17

Step by Step Solution

1. Step 1: Write the proportion equation
   17,518.78 : 22,876.17 = 22,876.17 : x
2. Step 2: Convert to fraction form
   17,518.78/22,876.17 = 22,876.17/x
3. Step 3: Cross multiply
   17,518.78x = 22,876.17 × 22,876.17
4. Step 4: Simplify right side
   17,518.78x = 523,319,239.65
5. Step 5: Solve for x
   x = 523,319,239.65/17,518.78
6. Step 6: Final answer
   x = 29,871.90