Finding the Third Proportional to 13,458.38 and 27,587.81

Step by Step Solution

1. Step 1: Write the proportion equation
   13,458.38 : 27,587.81 = 27,587.81 : x
2. Step 2: Convert to fraction form
   13,458.38/27,587.81 = 27,587.81/x
3. Step 3: Cross multiply
   13,458.38x = 27,587.81 × 27,587.81
4. Step 4: Simplify right side
   13,458.38x = 761,087,398.54
5. Step 5: Solve for x
   x = 761,087,398.54/13,458.38
6. Step 6: Final answer
   x = 56,551.21