Finding the Third Proportional to 426,231 and 710,284.50

Step by Step Solution

1. Step 1: Write the proportion equation
   426,231 : 710,284.50 = 710,284.50 : x
2. Step 2: Convert to fraction form
   426,231/710,284.50 = 710,284.50/x
3. Step 3: Cross multiply
   426,231x = 710,284.50 × 710,284.50
4. Step 4: Simplify right side
   426,231x = 504,504,070,940.25
5. Step 5: Solve for x
   x = 504,504,070,940.25/426,231
6. Step 6: Final answer
   x = 1,183,640.02