Finding the Third Proportional to 408,142.50 and 882,771

Step by Step Solution

1. Step 1: Write the proportion equation
   408,142.50 : 882,771 = 882,771 : x
2. Step 2: Convert to fraction form
   408,142.50/882,771 = 882,771/x
3. Step 3: Cross multiply
   408,142.50x = 882,771 × 882,771
4. Step 4: Simplify right side
   408,142.50x = 779,284,638,441
5. Step 5: Solve for x
   x = 779,284,638,441/408,142.50
6. Step 6: Final answer
   x = 1,909,344.50