Finding the Third Proportional to 773.06 and 1,615.69

Step by Step Solution

1. Step 1: Write the proportion equation
   773.06 : 1,615.69 = 1,615.69 : x
2. Step 2: Convert to fraction form
   773.06/1,615.69 = 1,615.69/x
3. Step 3: Cross multiply
   773.06x = 1,615.69 × 1,615.69
4. Step 4: Simplify right side
   773.06x = 2,610,446.10
5. Step 5: Solve for x
   x = 2,610,446.10/773.06
6. Step 6: Final answer
   x = 3,376.76