Finding the Third Proportional to 2,485,719 and 5,445,891

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485,719 : 5,445,891 = 5,445,891 : x
2. Step 2: Convert to fraction form
   2,485,719/5,445,891 = 5,445,891/x
3. Step 3: Cross multiply
   2,485,719x = 5,445,891 × 5,445,891
4. Step 4: Simplify right side
   2,485,719x = 29,657,728,783,881
5. Step 5: Solve for x
   x = 29,657,728,783,881/2,485,719
6. Step 6: Final answer
   x = 11,931,247.57