Finding the Third Proportional to 368,389.50 and 814,200

Step by Step Solution

1. Step 1: Write the proportion equation
   368,389.50 : 814,200 = 814,200 : x
2. Step 2: Convert to fraction form
   368,389.50/814,200 = 814,200/x
3. Step 3: Cross multiply
   368,389.50x = 814,200 × 814,200
4. Step 4: Simplify right side
   368,389.50x = 662,921,640,000
5. Step 5: Solve for x
   x = 662,921,640,000/368,389.50
6. Step 6: Final answer
   x = 1,799,512.85