Finding the Third Proportional to 1,521,364 and 2,175,413

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521,364 : 2,175,413 = 2,175,413 : x
2. Step 2: Convert to fraction form
   1,521,364/2,175,413 = 2,175,413/x
3. Step 3: Cross multiply
   1,521,364x = 2,175,413 × 2,175,413
4. Step 4: Simplify right side
   1,521,364x = 4,732,421,720,569
5. Step 5: Solve for x
   x = 4,732,421,720,569/1,521,364
6. Step 6: Final answer
   x = 3,110,643.95