Finding the Third Proportional to 12,656.81 and 19,648.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,656.81 : 19,648.41 = 19,648.41 : x
2. Step 2: Convert to fraction form
   12,656.81/19,648.41 = 19,648.41/x
3. Step 3: Cross multiply
   12,656.81x = 19,648.41 × 19,648.41
4. Step 4: Simplify right side
   12,656.81x = 386,059,868.17
5. Step 5: Solve for x
   x = 386,059,868.17/12,656.81
6. Step 6: Final answer
   x = 30,502.14