Finding the Third Proportional to 2,906,165 and 3,989,374

Step by Step Solution

1. Step 1: Write the proportion equation
   2,906,165 : 3,989,374 = 3,989,374 : x
2. Step 2: Convert to fraction form
   2,906,165/3,989,374 = 3,989,374/x
3. Step 3: Cross multiply
   2,906,165x = 3,989,374 × 3,989,374
4. Step 4: Simplify right side
   2,906,165x = 15,915,104,911,876
5. Step 5: Solve for x
   x = 15,915,104,911,876/2,906,165
6. Step 6: Final answer
   x = 5,476,325.30