Finding the Third Proportional to 669,328 and 1,435,712

Step by Step Solution

1. Step 1: Write the proportion equation
   669,328 : 1,435,712 = 1,435,712 : x
2. Step 2: Convert to fraction form
   669,328/1,435,712 = 1,435,712/x
3. Step 3: Cross multiply
   669,328x = 1,435,712 × 1,435,712
4. Step 4: Simplify right side
   669,328x = 2,061,268,946,944
5. Step 5: Solve for x
   x = 2,061,268,946,944/669,328
6. Step 6: Final answer
   x = 3,079,609.62