Finding the Third Proportional to 411,186 and 635,455.50

Step by Step Solution

1. Step 1: Write the proportion equation
   411,186 : 635,455.50 = 635,455.50 : x
2. Step 2: Convert to fraction form
   411,186/635,455.50 = 635,455.50/x
3. Step 3: Cross multiply
   411,186x = 635,455.50 × 635,455.50
4. Step 4: Simplify right side
   411,186x = 403,803,692,480.25
5. Step 5: Solve for x
   x = 403,803,692,480.25/411,186
6. Step 6: Final answer
   x = 982,046.31