Finding the Third Proportional to 5,439,093 and 8,158,638

Step by Step Solution

1. Step 1: Write the proportion equation
   5,439,093 : 8,158,638 = 8,158,638 : x
2. Step 2: Convert to fraction form
   5,439,093/8,158,638 = 8,158,638/x
3. Step 3: Cross multiply
   5,439,093x = 8,158,638 × 8,158,638
4. Step 4: Simplify right side
   5,439,093x = 66,563,374,015,044
5. Step 5: Solve for x
   x = 66,563,374,015,044/5,439,093
6. Step 6: Final answer
   x = 12,237,954.75