Finding the Third Proportional to 2,801,958 and 4,272,921

Step by Step Solution

1. Step 1: Write the proportion equation
   2,801,958 : 4,272,921 = 4,272,921 : x
2. Step 2: Convert to fraction form
   2,801,958/4,272,921 = 4,272,921/x
3. Step 3: Cross multiply
   2,801,958x = 4,272,921 × 4,272,921
4. Step 4: Simplify right side
   2,801,958x = 18,257,853,872,241
5. Step 5: Solve for x
   x = 18,257,853,872,241/2,801,958
6. Step 6: Final answer
   x = 6,516,105.48