Finding the Third Proportional to 669,483 and 1,393,116

Step by Step Solution

1. Step 1: Write the proportion equation
   669,483 : 1,393,116 = 1,393,116 : x
2. Step 2: Convert to fraction form
   669,483/1,393,116 = 1,393,116/x
3. Step 3: Cross multiply
   669,483x = 1,393,116 × 1,393,116
4. Step 4: Simplify right side
   669,483x = 1,940,772,189,456
5. Step 5: Solve for x
   x = 1,940,772,189,456/669,483
6. Step 6: Final answer
   x = 2,898,911.83