Finding the Third Proportional to 2,279,170 and 4,863,428

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279,170 : 4,863,428 = 4,863,428 : x
2. Step 2: Convert to fraction form
   2,279,170/4,863,428 = 4,863,428/x
3. Step 3: Cross multiply
   2,279,170x = 4,863,428 × 4,863,428
4. Step 4: Simplify right side
   2,279,170x = 23,652,931,911,184
5. Step 5: Solve for x
   x = 23,652,931,911,184/2,279,170
6. Step 6: Final answer
   x = 10,377,870.85