Finding the Third Proportional to 13,278.38 and 28,879.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,278.38 : 28,879.88 = 28,879.88 : x
2. Step 2: Convert to fraction form
   13,278.38/28,879.88 = 28,879.88/x
3. Step 3: Cross multiply
   13,278.38x = 28,879.88 × 28,879.88
4. Step 4: Simplify right side
   13,278.38x = 834,047,180.02
5. Step 5: Solve for x
   x = 834,047,180.02/13,278.38
6. Step 6: Final answer
   x = 62,812.44