Finding the Third Proportional to 2,406,872 and 5,286,163

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406,872 : 5,286,163 = 5,286,163 : x
2. Step 2: Convert to fraction form
   2,406,872/5,286,163 = 5,286,163/x
3. Step 3: Cross multiply
   2,406,872x = 5,286,163 × 5,286,163
4. Step 4: Simplify right side
   2,406,872x = 27,943,519,262,569
5. Step 5: Solve for x
   x = 27,943,519,262,569/2,406,872
6. Step 6: Final answer
   x = 11,609,890.04