Finding the Third Proportional to 631,705 and 1,381,508

Step by Step Solution

1. Step 1: Write the proportion equation
   631,705 : 1,381,508 = 1,381,508 : x
2. Step 2: Convert to fraction form
   631,705/1,381,508 = 1,381,508/x
3. Step 3: Cross multiply
   631,705x = 1,381,508 × 1,381,508
4. Step 4: Simplify right side
   631,705x = 1,908,564,354,064
5. Step 5: Solve for x
   x = 1,908,564,354,064/631,705
6. Step 6: Final answer
   x = 3,021,290.56