Finding the Third Proportional to 1,260.56 and 2,620.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,260.56 : 2,620.13 = 2,620.13 : x
2. Step 2: Convert to fraction form
   1,260.56/2,620.13 = 2,620.13/x
3. Step 3: Cross multiply
   1,260.56x = 2,620.13 × 2,620.13
4. Step 4: Simplify right side
   1,260.56x = 6,865,055.02
5. Step 5: Solve for x
   x = 6,865,055.02/1,260.56
6. Step 6: Final answer
   x = 5,446.03