Finding the Third Proportional to 12,480 and 27,036.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,480 : 27,036.38 = 27,036.38 : x
2. Step 2: Convert to fraction form
   12,480/27,036.38 = 27,036.38/x
3. Step 3: Cross multiply
   12,480x = 27,036.38 × 27,036.38
4. Step 4: Simplify right side
   12,480x = 730,965,573.14
5. Step 5: Solve for x
   x = 730,965,573.14/12,480
6. Step 6: Final answer
   x = 58,570.96