Finding the Third Proportional to 373,018.50 and 798,390

Step by Step Solution

1. Step 1: Write the proportion equation
   373,018.50 : 798,390 = 798,390 : x
2. Step 2: Convert to fraction form
   373,018.50/798,390 = 798,390/x
3. Step 3: Cross multiply
   373,018.50x = 798,390 × 798,390
4. Step 4: Simplify right side
   373,018.50x = 637,426,592,100
5. Step 5: Solve for x
   x = 637,426,592,100/373,018.50
6. Step 6: Final answer
   x = 1,708,833.72