Finding the Third Proportional to 1,139.06 and 2,262.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139.06 : 2,262.94 = 2,262.94 : x
2. Step 2: Convert to fraction form
   1,139.06/2,262.94 = 2,262.94/x
3. Step 3: Cross multiply
   1,139.06x = 2,262.94 × 2,262.94
4. Step 4: Simplify right side
   1,139.06x = 5,120,886.13
5. Step 5: Solve for x
   x = 5,120,886.13/1,139.06
6. Step 6: Final answer
   x = 4,495.70