Finding the Third Proportional to 3,831,222 and 8,260,386

Step by Step Solution

1. Step 1: Write the proportion equation
   3,831,222 : 8,260,386 = 8,260,386 : x
2. Step 2: Convert to fraction form
   3,831,222/8,260,386 = 8,260,386/x
3. Step 3: Cross multiply
   3,831,222x = 8,260,386 × 8,260,386
4. Step 4: Simplify right side
   3,831,222x = 68,233,976,868,996
5. Step 5: Solve for x
   x = 68,233,976,868,996/3,831,222
6. Step 6: Final answer
   x = 17,809,977.30