Finding the Third Proportional to 3,012,366 and 4,213,381

Step by Step Solution

1. Step 1: Write the proportion equation
   3,012,366 : 4,213,381 = 4,213,381 : x
2. Step 2: Convert to fraction form
   3,012,366/4,213,381 = 4,213,381/x
3. Step 3: Cross multiply
   3,012,366x = 4,213,381 × 4,213,381
4. Step 4: Simplify right side
   3,012,366x = 17,752,579,451,161
5. Step 5: Solve for x
   x = 17,752,579,451,161/3,012,366
6. Step 6: Final answer
   x = 5,893,234.57