Finding the Third Proportional to 2,406,866 and 5,286,150

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406,866 : 5,286,150 = 5,286,150 : x
2. Step 2: Convert to fraction form
   2,406,866/5,286,150 = 5,286,150/x
3. Step 3: Cross multiply
   2,406,866x = 5,286,150 × 5,286,150
4. Step 4: Simplify right side
   2,406,866x = 27,943,381,822,500
5. Step 5: Solve for x
   x = 27,943,381,822,500/2,406,866
6. Step 6: Final answer
   x = 11,609,861.88