Finding the Third Proportional to 12,740.63 and 27,028.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,740.63 : 27,028.69 = 27,028.69 : x
2. Step 2: Convert to fraction form
   12,740.63/27,028.69 = 27,028.69/x
3. Step 3: Cross multiply
   12,740.63x = 27,028.69 × 27,028.69
4. Step 4: Simplify right side
   12,740.63x = 730,549,947.97
5. Step 5: Solve for x
   x = 730,549,947.97/12,740.63
6. Step 6: Final answer
   x = 57,340.20