Finding the Third Proportional to 12,740.63 and 26,377.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,740.63 : 26,377.31 = 26,377.31 : x
2. Step 2: Convert to fraction form
   12,740.63/26,377.31 = 26,377.31/x
3. Step 3: Cross multiply
   12,740.63x = 26,377.31 × 26,377.31
4. Step 4: Simplify right side
   12,740.63x = 695,762,614.72
5. Step 5: Solve for x
   x = 695,762,614.72/12,740.63
6. Step 6: Final answer
   x = 54,609.77