Finding the Third Proportional to 2,406,870 and 5,286,159

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406,870 : 5,286,159 = 5,286,159 : x
2. Step 2: Convert to fraction form
   2,406,870/5,286,159 = 5,286,159/x
3. Step 3: Cross multiply
   2,406,870x = 5,286,159 × 5,286,159
4. Step 4: Simplify right side
   2,406,870x = 27,943,476,973,281
5. Step 5: Solve for x
   x = 27,943,476,973,281/2,406,870
6. Step 6: Final answer
   x = 11,609,882.12