Finding the Third Proportional to 338,794.50 and 736,638

Step by Step Solution

1. Step 1: Write the proportion equation
   338,794.50 : 736,638 = 736,638 : x
2. Step 2: Convert to fraction form
   338,794.50/736,638 = 736,638/x
3. Step 3: Cross multiply
   338,794.50x = 736,638 × 736,638
4. Step 4: Simplify right side
   338,794.50x = 542,635,543,044
5. Step 5: Solve for x
   x = 542,635,543,044/338,794.50
6. Step 6: Final answer
   x = 1,601,665.74