Finding the Third Proportional to 406,383 and 632,842.50

Step by Step Solution

1. Step 1: Write the proportion equation
   406,383 : 632,842.50 = 632,842.50 : x
2. Step 2: Convert to fraction form
   406,383/632,842.50 = 632,842.50/x
3. Step 3: Cross multiply
   406,383x = 632,842.50 × 632,842.50
4. Step 4: Simplify right side
   406,383x = 400,489,629,806.25
5. Step 5: Solve for x
   x = 400,489,629,806.25/406,383
6. Step 6: Final answer
   x = 985,497.99