Finding the Third Proportional to 2,397.73 and 5,128.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,397.73 : 5,128.52 = 5,128.52 : x
2. Step 2: Convert to fraction form
   2,397.73/5,128.52 = 5,128.52/x
3. Step 3: Cross multiply
   2,397.73x = 5,128.52 × 5,128.52
4. Step 4: Simplify right side
   2,397.73x = 26,301,752.65
5. Step 5: Solve for x
   x = 26,301,752.65/2,397.73
6. Step 6: Final answer
   x = 10,969.45