Finding the Third Proportional to 3,181,366 and 4,818,359

Step by Step Solution

1. Step 1: Write the proportion equation
   3,181,366 : 4,818,359 = 4,818,359 : x
2. Step 2: Convert to fraction form
   3,181,366/4,818,359 = 4,818,359/x
3. Step 3: Cross multiply
   3,181,366x = 4,818,359 × 4,818,359
4. Step 4: Simplify right side
   3,181,366x = 23,216,583,452,881
5. Step 5: Solve for x
   x = 23,216,583,452,881/3,181,366
6. Step 6: Final answer
   x = 7,297,677.62