Finding the Third Proportional to 396,633.50 and 604,250

Step by Step Solution

1. Step 1: Write the proportion equation
   396,633.50 : 604,250 = 604,250 : x
2. Step 2: Convert to fraction form
   396,633.50/604,250 = 604,250/x
3. Step 3: Cross multiply
   396,633.50x = 604,250 × 604,250
4. Step 4: Simplify right side
   396,633.50x = 365,118,062,500
5. Step 5: Solve for x
   x = 365,118,062,500/396,633.50
6. Step 6: Final answer
   x = 920,542.67