Finding the Third Proportional to 5,743.72 and 8,875.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,743.72 : 8,875.20 = 8,875.20 : x
2. Step 2: Convert to fraction form
   5,743.72/8,875.20 = 8,875.20/x
3. Step 3: Cross multiply
   5,743.72x = 8,875.20 × 8,875.20
4. Step 4: Simplify right side
   5,743.72x = 78,769,091.84
5. Step 5: Solve for x
   x = 78,769,091.84/5,743.72
6. Step 6: Final answer
   x = 13,713.94