Finding the Third Proportional to 631,740 and 1,368,456

Step by Step Solution

1. Step 1: Write the proportion equation
   631,740 : 1,368,456 = 1,368,456 : x
2. Step 2: Convert to fraction form
   631,740/1,368,456 = 1,368,456/x
3. Step 3: Cross multiply
   631,740x = 1,368,456 × 1,368,456
4. Step 4: Simplify right side
   631,740x = 1,872,671,823,936
5. Step 5: Solve for x
   x = 1,872,671,823,936/631,740
6. Step 6: Final answer
   x = 2,964,307.82