Finding the Third Proportional to 2,406,907 and 5,286,230

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406,907 : 5,286,230 = 5,286,230 : x
2. Step 2: Convert to fraction form
   2,406,907/5,286,230 = 5,286,230/x
3. Step 3: Cross multiply
   2,406,907x = 5,286,230 × 5,286,230
4. Step 4: Simplify right side
   2,406,907x = 27,944,227,612,900
5. Step 5: Solve for x
   x = 27,944,227,612,900/2,406,907
6. Step 6: Final answer
   x = 11,610,015.51