Finding the Third Proportional to 2,912,626 and 4,368,939

Step by Step Solution

1. Step 1: Write the proportion equation
   2,912,626 : 4,368,939 = 4,368,939 : x
2. Step 2: Convert to fraction form
   2,912,626/4,368,939 = 4,368,939/x
3. Step 3: Cross multiply
   2,912,626x = 4,368,939 × 4,368,939
4. Step 4: Simplify right side
   2,912,626x = 19,087,627,985,721
5. Step 5: Solve for x
   x = 19,087,627,985,721/2,912,626
6. Step 6: Final answer
   x = 6,553,408.50