Finding the Third Proportional to 2,499,642 and 5,450,850

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499,642 : 5,450,850 = 5,450,850 : x
2. Step 2: Convert to fraction form
   2,499,642/5,450,850 = 5,450,850/x
3. Step 3: Cross multiply
   2,499,642x = 5,450,850 × 5,450,850
4. Step 4: Simplify right side
   2,499,642x = 29,711,765,722,500
5. Step 5: Solve for x
   x = 29,711,765,722,500/2,499,642
6. Step 6: Final answer
   x = 11,886,408.42