Finding the Third Proportional to 396,573.75 and 604,155

Step by Step Solution

1. Step 1: Write the proportion equation
   396,573.75 : 604,155 = 604,155 : x
2. Step 2: Convert to fraction form
   396,573.75/604,155 = 604,155/x
3. Step 3: Cross multiply
   396,573.75x = 604,155 × 604,155
4. Step 4: Simplify right side
   396,573.75x = 365,003,264,025
5. Step 5: Solve for x
   x = 365,003,264,025/396,573.75
6. Step 6: Final answer
   x = 920,391.89