Finding the Third Proportional to 2,143,251 and 2,910,774

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,251 : 2,910,774 = 2,910,774 : x
2. Step 2: Convert to fraction form
   2,143,251/2,910,774 = 2,910,774/x
3. Step 3: Cross multiply
   2,143,251x = 2,910,774 × 2,910,774
4. Step 4: Simplify right side
   2,143,251x = 8,472,605,279,076
5. Step 5: Solve for x
   x = 8,472,605,279,076/2,143,251
6. Step 6: Final answer
   x = 3,953,155.87