Finding the Third Proportional to 419,608.50 and 632,916

Step by Step Solution

1. Step 1: Write the proportion equation
   419,608.50 : 632,916 = 632,916 : x
2. Step 2: Convert to fraction form
   419,608.50/632,916 = 632,916/x
3. Step 3: Cross multiply
   419,608.50x = 632,916 × 632,916
4. Step 4: Simplify right side
   419,608.50x = 400,582,663,056
5. Step 5: Solve for x
   x = 400,582,663,056/419,608.50
6. Step 6: Final answer
   x = 954,658.12