Finding the Third Proportional to 2,489,306 and 5,431,008

Step by Step Solution

1. Step 1: Write the proportion equation
   2,489,306 : 5,431,008 = 5,431,008 : x
2. Step 2: Convert to fraction form
   2,489,306/5,431,008 = 5,431,008/x
3. Step 3: Cross multiply
   2,489,306x = 5,431,008 × 5,431,008
4. Step 4: Simplify right side
   2,489,306x = 29,495,847,896,064
5. Step 5: Solve for x
   x = 29,495,847,896,064/2,489,306
6. Step 6: Final answer
   x = 11,849,024.55