Finding the Third Proportional to 2,607,960 and 3,989,387

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607,960 : 3,989,387 = 3,989,387 : x
2. Step 2: Convert to fraction form
   2,607,960/3,989,387 = 3,989,387/x
3. Step 3: Cross multiply
   2,607,960x = 3,989,387 × 3,989,387
4. Step 4: Simplify right side
   2,607,960x = 15,915,208,635,769
5. Step 5: Solve for x
   x = 15,915,208,635,769/2,607,960
6. Step 6: Final answer
   x = 6,102,550.90