Finding the Third Proportional to 5,376.38 and 12,620.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,376.38 : 12,620.81 = 12,620.81 : x
2. Step 2: Convert to fraction form
   5,376.38/12,620.81 = 12,620.81/x
3. Step 3: Cross multiply
   5,376.38x = 12,620.81 × 12,620.81
4. Step 4: Simplify right side
   5,376.38x = 159,284,908.16
5. Step 5: Solve for x
   x = 159,284,908.16/5,376.38
6. Step 6: Final answer
   x = 29,626.82