Finding the Third Proportional to 2,489,465 and 5,431,341

Step by Step Solution

1. Step 1: Write the proportion equation
   2,489,465 : 5,431,341 = 5,431,341 : x
2. Step 2: Convert to fraction form
   2,489,465/5,431,341 = 5,431,341/x
3. Step 3: Cross multiply
   2,489,465x = 5,431,341 × 5,431,341
4. Step 4: Simplify right side
   2,489,465x = 29,499,465,058,281
5. Step 5: Solve for x
   x = 29,499,465,058,281/2,489,465
6. Step 6: Final answer
   x = 11,849,720.75