Finding the Third Proportional to 2,607,984 and 3,989,466

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607,984 : 3,989,466 = 3,989,466 : x
2. Step 2: Convert to fraction form
   2,607,984/3,989,466 = 3,989,466/x
3. Step 3: Cross multiply
   2,607,984x = 3,989,466 × 3,989,466
4. Step 4: Simplify right side
   2,607,984x = 15,915,838,965,156
5. Step 5: Solve for x
   x = 15,915,838,965,156/2,607,984
6. Step 6: Final answer
   x = 6,102,736.43