Finding the Third Proportional to 14,622.19 and 16,120.69

Step by Step Solution

1. Step 1: Write the proportion equation
   14,622.19 : 16,120.69 = 16,120.69 : x
2. Step 2: Convert to fraction form
   14,622.19/16,120.69 = 16,120.69/x
3. Step 3: Cross multiply
   14,622.19x = 16,120.69 × 16,120.69
4. Step 4: Simplify right side
   14,622.19x = 259,876,565.47
5. Step 5: Solve for x
   x = 259,876,565.47/14,622.19
6. Step 6: Final answer
   x = 17,772.76