Finding the Third Proportional to 2,503,740 and 5,406,588

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503,740 : 5,406,588 = 5,406,588 : x
2. Step 2: Convert to fraction form
   2,503,740/5,406,588 = 5,406,588/x
3. Step 3: Cross multiply
   2,503,740x = 5,406,588 × 5,406,588
4. Step 4: Simplify right side
   2,503,740x = 29,231,193,801,744
5. Step 5: Solve for x
   x = 29,231,193,801,744/2,503,740
6. Step 6: Final answer
   x = 11,675,011.70