Finding the Third Proportional to 411,180 and 635,446.50

Step by Step Solution

1. Step 1: Write the proportion equation
   411,180 : 635,446.50 = 635,446.50 : x
2. Step 2: Convert to fraction form
   411,180/635,446.50 = 635,446.50/x
3. Step 3: Cross multiply
   411,180x = 635,446.50 × 635,446.50
4. Step 4: Simplify right side
   411,180x = 403,792,254,362.25
5. Step 5: Solve for x
   x = 403,792,254,362.25/411,180
6. Step 6: Final answer
   x = 982,032.82