Finding the Third Proportional to 14,116.78 and 15,445.69

Step by Step Solution

1. Step 1: Write the proportion equation
   14,116.78 : 15,445.69 = 15,445.69 : x
2. Step 2: Convert to fraction form
   14,116.78/15,445.69 = 15,445.69/x
3. Step 3: Cross multiply
   14,116.78x = 15,445.69 × 15,445.69
4. Step 4: Simplify right side
   14,116.78x = 238,569,262.35
5. Step 5: Solve for x
   x = 238,569,262.35/14,116.78
6. Step 6: Final answer
   x = 16,899.69