Finding the Third Proportional to 1,521,156 and 2,338,320

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521,156 : 2,338,320 = 2,338,320 : x
2. Step 2: Convert to fraction form
   1,521,156/2,338,320 = 2,338,320/x
3. Step 3: Cross multiply
   1,521,156x = 2,338,320 × 2,338,320
4. Step 4: Simplify right side
   1,521,156x = 5,467,740,422,400
5. Step 5: Solve for x
   x = 5,467,740,422,400/1,521,156
6. Step 6: Final answer
   x = 3,594,463.96