Finding the Third Proportional to 3,990,900 and 6,085,986

Step by Step Solution

1. Step 1: Write the proportion equation
   3,990,900 : 6,085,986 = 6,085,986 : x
2. Step 2: Convert to fraction form
   3,990,900/6,085,986 = 6,085,986/x
3. Step 3: Cross multiply
   3,990,900x = 6,085,986 × 6,085,986
4. Step 4: Simplify right side
   3,990,900x = 37,039,225,592,196
5. Step 5: Solve for x
   x = 37,039,225,592,196/3,990,900
6. Step 6: Final answer
   x = 9,280,920.49