Finding the Third Proportional to 2,279,812 and 3,557,743

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279,812 : 3,557,743 = 3,557,743 : x
2. Step 2: Convert to fraction form
   2,279,812/3,557,743 = 3,557,743/x
3. Step 3: Cross multiply
   2,279,812x = 3,557,743 × 3,557,743
4. Step 4: Simplify right side
   2,279,812x = 12,657,535,254,049
5. Step 5: Solve for x
   x = 12,657,535,254,049/2,279,812
6. Step 6: Final answer
   x = 5,552,008.35