Finding the Third Proportional to 1,139.06 and 2,460.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139.06 : 2,460.38 = 2,460.38 : x
2. Step 2: Convert to fraction form
   1,139.06/2,460.38 = 2,460.38/x
3. Step 3: Cross multiply
   1,139.06x = 2,460.38 × 2,460.38
4. Step 4: Simplify right side
   1,139.06x = 6,053,445.14
5. Step 5: Solve for x
   x = 6,053,445.14/1,139.06
6. Step 6: Final answer
   x = 5,314.41