Finding the Third Proportional to 3,780,810 and 8,296,446

Step by Step Solution

1. Step 1: Write the proportion equation
   3,780,810 : 8,296,446 = 8,296,446 : x
2. Step 2: Convert to fraction form
   3,780,810/8,296,446 = 8,296,446/x
3. Step 3: Cross multiply
   3,780,810x = 8,296,446 × 8,296,446
4. Step 4: Simplify right side
   3,780,810x = 68,831,016,230,916
5. Step 5: Solve for x
   x = 68,831,016,230,916/3,780,810
6. Step 6: Final answer
   x = 18,205,362.40