Finding the Third Proportional to 612.56 and 1,341.56

Step by Step Solution

1. Step 1: Write the proportion equation
   612.56 : 1,341.56 = 1,341.56 : x
2. Step 2: Convert to fraction form
   612.56/1,341.56 = 1,341.56/x
3. Step 3: Cross multiply
   612.56x = 1,341.56 × 1,341.56
4. Step 4: Simplify right side
   612.56x = 1,799,789.94
5. Step 5: Solve for x
   x = 1,799,789.94/612.56
6. Step 6: Final answer
   x = 2,938.13