Finding the Third Proportional to 2,406,889 and 5,286,196

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406,889 : 5,286,196 = 5,286,196 : x
2. Step 2: Convert to fraction form
   2,406,889/5,286,196 = 5,286,196/x
3. Step 3: Cross multiply
   2,406,889x = 5,286,196 × 5,286,196
4. Step 4: Simplify right side
   2,406,889x = 27,943,868,150,416
5. Step 5: Solve for x
   x = 27,943,868,150,416/2,406,889
6. Step 6: Final answer
   x = 11,609,952.99