Finding the Third Proportional to 1,878,876 and 4,188,048

Step by Step Solution

1. Step 1: Write the proportion equation
   1,878,876 : 4,188,048 = 4,188,048 : x
2. Step 2: Convert to fraction form
   1,878,876/4,188,048 = 4,188,048/x
3. Step 3: Cross multiply
   1,878,876x = 4,188,048 × 4,188,048
4. Step 4: Simplify right side
   1,878,876x = 17,539,746,050,304
5. Step 5: Solve for x
   x = 17,539,746,050,304/1,878,876
6. Step 6: Final answer
   x = 9,335,233.43