Finding the Third Proportional to 12,470.63 and 18,705.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,470.63 : 18,705.38 = 18,705.38 : x
2. Step 2: Convert to fraction form
   12,470.63/18,705.38 = 18,705.38/x
3. Step 3: Cross multiply
   12,470.63x = 18,705.38 × 18,705.38
4. Step 4: Simplify right side
   12,470.63x = 349,891,053.89
5. Step 5: Solve for x
   x = 349,891,053.89/12,470.63
6. Step 6: Final answer
   x = 28,057.22