Finding the Third Proportional to 2,131,470 and 4,459,996

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,470 : 4,459,996 = 4,459,996 : x
2. Step 2: Convert to fraction form
   2,131,470/4,459,996 = 4,459,996/x
3. Step 3: Cross multiply
   2,131,470x = 4,459,996 × 4,459,996
4. Step 4: Simplify right side
   2,131,470x = 19,891,564,320,016
5. Step 5: Solve for x
   x = 19,891,564,320,016/2,131,470
6. Step 6: Final answer
   x = 9,332,321.97