Finding the Third Proportional to 2,499,342 and 5,175,912

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499,342 : 5,175,912 = 5,175,912 : x
2. Step 2: Convert to fraction form
   2,499,342/5,175,912 = 5,175,912/x
3. Step 3: Cross multiply
   2,499,342x = 5,175,912 × 5,175,912
4. Step 4: Simplify right side
   2,499,342x = 26,790,065,031,744
5. Step 5: Solve for x
   x = 26,790,065,031,744/2,499,342
6. Step 6: Final answer
   x = 10,718,847.21