Finding the Third Proportional to 637,168 and 1,390,244

Step by Step Solution

1. Step 1: Write the proportion equation
   637,168 : 1,390,244 = 1,390,244 : x
2. Step 2: Convert to fraction form
   637,168/1,390,244 = 1,390,244/x
3. Step 3: Cross multiply
   637,168x = 1,390,244 × 1,390,244
4. Step 4: Simplify right side
   637,168x = 1,932,778,379,536
5. Step 5: Solve for x
   x = 1,932,778,379,536/637,168
6. Step 6: Final answer
   x = 3,033,388.96