Finding the Third Proportional to 801,669 and 1,669,680

Step by Step Solution

1. Step 1: Write the proportion equation
   801,669 : 1,669,680 = 1,669,680 : x
2. Step 2: Convert to fraction form
   801,669/1,669,680 = 1,669,680/x
3. Step 3: Cross multiply
   801,669x = 1,669,680 × 1,669,680
4. Step 4: Simplify right side
   801,669x = 2,787,831,302,400
5. Step 5: Solve for x
   x = 2,787,831,302,400/801,669
6. Step 6: Final answer
   x = 3,477,534.12