Finding the Third Proportional to 408,267 and 634,756.50

Step by Step Solution

1. Step 1: Write the proportion equation
   408,267 : 634,756.50 = 634,756.50 : x
2. Step 2: Convert to fraction form
   408,267/634,756.50 = 634,756.50/x
3. Step 3: Cross multiply
   408,267x = 634,756.50 × 634,756.50
4. Step 4: Simplify right side
   408,267x = 402,915,814,292.25
5. Step 5: Solve for x
   x = 402,915,814,292.25/408,267
6. Step 6: Final answer
   x = 986,892.93