Finding the Third Proportional to 13,638.38 and 27,793.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,638.38 : 27,793.13 = 27,793.13 : x
2. Step 2: Convert to fraction form
   13,638.38/27,793.13 = 27,793.13/x
3. Step 3: Cross multiply
   13,638.38x = 27,793.13 × 27,793.13
4. Step 4: Simplify right side
   13,638.38x = 772,457,797.27
5. Step 5: Solve for x
   x = 772,457,797.27/13,638.38
6. Step 6: Final answer
   x = 56,638.55