Finding the Third Proportional to 12,334.78 and 26,639.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,334.78 : 26,639.72 = 26,639.72 : x
2. Step 2: Convert to fraction form
   12,334.78/26,639.72 = 26,639.72/x
3. Step 3: Cross multiply
   12,334.78x = 26,639.72 × 26,639.72
4. Step 4: Simplify right side
   12,334.78x = 709,674,615.08
5. Step 5: Solve for x
   x = 709,674,615.08/12,334.78
6. Step 6: Final answer
   x = 57,534.43