Finding the Third Proportional to 2,485,721 and 5,445,895

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485,721 : 5,445,895 = 5,445,895 : x
2. Step 2: Convert to fraction form
   2,485,721/5,445,895 = 5,445,895/x
3. Step 3: Cross multiply
   2,485,721x = 5,445,895 × 5,445,895
4. Step 4: Simplify right side
   2,485,721x = 29,657,772,351,025
5. Step 5: Solve for x
   x = 29,657,772,351,025/2,485,721
6. Step 6: Final answer
   x = 11,931,255.50