Finding the Third Proportional to 1,521,362 and 2,175,410

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521,362 : 2,175,410 = 2,175,410 : x
2. Step 2: Convert to fraction form
   1,521,362/2,175,410 = 2,175,410/x
3. Step 3: Cross multiply
   1,521,362x = 2,175,410 × 2,175,410
4. Step 4: Simplify right side
   1,521,362x = 4,732,408,668,100
5. Step 5: Solve for x
   x = 4,732,408,668,100/1,521,362
6. Step 6: Final answer
   x = 3,110,639.46