Finding the Third Proportional to 12,686.63 and 14,995.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,686.63 : 14,995.13 = 14,995.13 : x
2. Step 2: Convert to fraction form
   12,686.63/14,995.13 = 14,995.13/x
3. Step 3: Cross multiply
   12,686.63x = 14,995.13 × 14,995.13
4. Step 4: Simplify right side
   12,686.63x = 224,853,773.77
5. Step 5: Solve for x
   x = 224,853,773.77/12,686.63
6. Step 6: Final answer
   x = 17,723.69