Finding the Third Proportional to 404,986.50 and 604,199.25

Step by Step Solution

1. Step 1: Write the proportion equation
   404,986.50 : 604,199.25 = 604,199.25 : x
2. Step 2: Convert to fraction form
   404,986.50/604,199.25 = 604,199.25/x
3. Step 3: Cross multiply
   404,986.50x = 604,199.25 × 604,199.25
4. Step 4: Simplify right side
   404,986.50x = 365,056,733,700.56
5. Step 5: Solve for x
   x = 365,056,733,700.56/404,986.50
6. Step 6: Final answer
   x = 901,404.70