Finding the Third Proportional to 11,686.78 and 27,352.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,686.78 : 27,352.69 = 27,352.69 : x
2. Step 2: Convert to fraction form
   11,686.78/27,352.69 = 27,352.69/x
3. Step 3: Cross multiply
   11,686.78x = 27,352.69 × 27,352.69
4. Step 4: Simplify right side
   11,686.78x = 748,169,513.47
5. Step 5: Solve for x
   x = 748,169,513.47/11,686.78
6. Step 6: Final answer
   x = 64,018.44