Finding the Third Proportional to 2,131,468 and 4,459,992

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,468 : 4,459,992 = 4,459,992 : x
2. Step 2: Convert to fraction form
   2,131,468/4,459,992 = 4,459,992/x
3. Step 3: Cross multiply
   2,131,468x = 4,459,992 × 4,459,992
4. Step 4: Simplify right side
   2,131,468x = 19,891,528,640,064
5. Step 5: Solve for x
   x = 19,891,528,640,064/2,131,468
6. Step 6: Final answer
   x = 9,332,313.99