Finding the Third Proportional to 404,372 and 616,350

Step by Step Solution

1. Step 1: Write the proportion equation
   404,372 : 616,350 = 616,350 : x
2. Step 2: Convert to fraction form
   404,372/616,350 = 616,350/x
3. Step 3: Cross multiply
   404,372x = 616,350 × 616,350
4. Step 4: Simplify right side
   404,372x = 379,887,322,500
5. Step 5: Solve for x
   x = 379,887,322,500/404,372
6. Step 6: Final answer
   x = 939,450.12