Finding the Third Proportional to 631,022 and 1,378,492

Step by Step Solution

1. Step 1: Write the proportion equation
   631,022 : 1,378,492 = 1,378,492 : x
2. Step 2: Convert to fraction form
   631,022/1,378,492 = 1,378,492/x
3. Step 3: Cross multiply
   631,022x = 1,378,492 × 1,378,492
4. Step 4: Simplify right side
   631,022x = 1,900,240,194,064
5. Step 5: Solve for x
   x = 1,900,240,194,064/631,022
6. Step 6: Final answer
   x = 3,011,369.17