Finding the Third Proportional to 404,916 and 604,086

Step by Step Solution

1. Step 1: Write the proportion equation
   404,916 : 604,086 = 604,086 : x
2. Step 2: Convert to fraction form
   404,916/604,086 = 604,086/x
3. Step 3: Cross multiply
   404,916x = 604,086 × 604,086
4. Step 4: Simplify right side
   404,916x = 364,919,895,396
5. Step 5: Solve for x
   x = 364,919,895,396/404,916
6. Step 6: Final answer
   x = 901,223.70