Finding the Third Proportional to 373,501.50 and 800,266.50

Step by Step Solution

1. Step 1: Write the proportion equation
   373,501.50 : 800,266.50 = 800,266.50 : x
2. Step 2: Convert to fraction form
   373,501.50/800,266.50 = 800,266.50/x
3. Step 3: Cross multiply
   373,501.50x = 800,266.50 × 800,266.50
4. Step 4: Simplify right side
   373,501.50x = 640,426,471,022.25
5. Step 5: Solve for x
   x = 640,426,471,022.25/373,501.50
6. Step 6: Final answer
   x = 1,714,655.69