Finding the Third Proportional to 2,126,860 and 3,269,129

Step by Step Solution

1. Step 1: Write the proportion equation
   2,126,860 : 3,269,129 = 3,269,129 : x
2. Step 2: Convert to fraction form
   2,126,860/3,269,129 = 3,269,129/x
3. Step 3: Cross multiply
   2,126,860x = 3,269,129 × 3,269,129
4. Step 4: Simplify right side
   2,126,860x = 10,687,204,418,641
5. Step 5: Solve for x
   x = 10,687,204,418,641/2,126,860
6. Step 6: Final answer
   x = 5,024,874.42