Finding the Third Proportional to 1,334,746 and 3,149,469

Step by Step Solution

1. Step 1: Write the proportion equation
   1,334,746 : 3,149,469 = 3,149,469 : x
2. Step 2: Convert to fraction form
   1,334,746/3,149,469 = 3,149,469/x
3. Step 3: Cross multiply
   1,334,746x = 3,149,469 × 3,149,469
4. Step 4: Simplify right side
   1,334,746x = 9,919,154,981,961
5. Step 5: Solve for x
   x = 9,919,154,981,961/1,334,746
6. Step 6: Final answer
   x = 7,431,492.57