Finding the Third Proportional to 2,947,288 and 4,431,868

Step by Step Solution

1. Step 1: Write the proportion equation
   2,947,288 : 4,431,868 = 4,431,868 : x
2. Step 2: Convert to fraction form
   2,947,288/4,431,868 = 4,431,868/x
3. Step 3: Cross multiply
   2,947,288x = 4,431,868 × 4,431,868
4. Step 4: Simplify right side
   2,947,288x = 19,641,453,969,424
5. Step 5: Solve for x
   x = 19,641,453,969,424/2,947,288
6. Step 6: Final answer
   x = 6,664,246.58