Finding the Third Proportional to 3,149,199 and 4,722,978

Step by Step Solution

1. Step 1: Write the proportion equation
   3,149,199 : 4,722,978 = 4,722,978 : x
2. Step 2: Convert to fraction form
   3,149,199/4,722,978 = 4,722,978/x
3. Step 3: Cross multiply
   3,149,199x = 4,722,978 × 4,722,978
4. Step 4: Simplify right side
   3,149,199x = 22,306,521,188,484
5. Step 5: Solve for x
   x = 22,306,521,188,484/3,149,199
6. Step 6: Final answer
   x = 7,083,236.46