Finding the Third Proportional to 3,186,828 and 4,877,199

Step by Step Solution

1. Step 1: Write the proportion equation
   3,186,828 : 4,877,199 = 4,877,199 : x
2. Step 2: Convert to fraction form
   3,186,828/4,877,199 = 4,877,199/x
3. Step 3: Cross multiply
   3,186,828x = 4,877,199 × 4,877,199
4. Step 4: Simplify right side
   3,186,828x = 23,787,070,085,601
5. Step 5: Solve for x
   x = 23,787,070,085,601/3,186,828
6. Step 6: Final answer
   x = 7,464,183.85