Finding the Third Proportional to 428,331 and 952,404

Step by Step Solution

1. Step 1: Write the proportion equation
   428,331 : 952,404 = 952,404 : x
2. Step 2: Convert to fraction form
   428,331/952,404 = 952,404/x
3. Step 3: Cross multiply
   428,331x = 952,404 × 952,404
4. Step 4: Simplify right side
   428,331x = 907,073,379,216
5. Step 5: Solve for x
   x = 907,073,379,216/428,331
6. Step 6: Final answer
   x = 2,117,692.58