Finding the Third Proportional to 1,224,450 and 2,859,286

Step by Step Solution

1. Step 1: Write the proportion equation
   1,224,450 : 2,859,286 = 2,859,286 : x
2. Step 2: Convert to fraction form
   1,224,450/2,859,286 = 2,859,286/x
3. Step 3: Cross multiply
   1,224,450x = 2,859,286 × 2,859,286
4. Step 4: Simplify right side
   1,224,450x = 8,175,516,429,796
5. Step 5: Solve for x
   x = 8,175,516,429,796/1,224,450
6. Step 6: Final answer
   x = 6,676,888.75