Finding the Third Proportional to 3,122,679 and 4,899,686

Step by Step Solution

1. Step 1: Write the proportion equation
   3,122,679 : 4,899,686 = 4,899,686 : x
2. Step 2: Convert to fraction form
   3,122,679/4,899,686 = 4,899,686/x
3. Step 3: Cross multiply
   3,122,679x = 4,899,686 × 4,899,686
4. Step 4: Simplify right side
   3,122,679x = 24,006,922,898,596
5. Step 5: Solve for x
   x = 24,006,922,898,596/3,122,679
6. Step 6: Final answer
   x = 7,687,925.30