Finding the Third Proportional to 2,619,228 and 3,912,711

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619,228 : 3,912,711 = 3,912,711 : x
2. Step 2: Convert to fraction form
   2,619,228/3,912,711 = 3,912,711/x
3. Step 3: Cross multiply
   2,619,228x = 3,912,711 × 3,912,711
4. Step 4: Simplify right side
   2,619,228x = 15,309,307,369,521
5. Step 5: Solve for x
   x = 15,309,307,369,521/2,619,228
6. Step 6: Final answer
   x = 5,844,969.35