Finding the Third Proportional to 3,806,192 and 8,243,455

Step by Step Solution

1. Step 1: Write the proportion equation
   3,806,192 : 8,243,455 = 8,243,455 : x
2. Step 2: Convert to fraction form
   3,806,192/8,243,455 = 8,243,455/x
3. Step 3: Cross multiply
   3,806,192x = 8,243,455 × 8,243,455
4. Step 4: Simplify right side
   3,806,192x = 67,954,550,337,025
5. Step 5: Solve for x
   x = 67,954,550,337,025/3,806,192
6. Step 6: Final answer
   x = 17,853,684.30