Finding the Third Proportional to 406,436 and 632,913.50

Step by Step Solution

1. Step 1: Write the proportion equation
   406,436 : 632,913.50 = 632,913.50 : x
2. Step 2: Convert to fraction form
   406,436/632,913.50 = 632,913.50/x
3. Step 3: Cross multiply
   406,436x = 632,913.50 × 632,913.50
4. Step 4: Simplify right side
   406,436x = 400,579,498,482.25
5. Step 5: Solve for x
   x = 400,579,498,482.25/406,436
6. Step 6: Final answer
   x = 985,590.59