Finding the Third Proportional to 243,999 and 503,064

Step by Step Solution

1. Step 1: Write the proportion equation
   243,999 : 503,064 = 503,064 : x
2. Step 2: Convert to fraction form
   243,999/503,064 = 503,064/x
3. Step 3: Cross multiply
   243,999x = 503,064 × 503,064
4. Step 4: Simplify right side
   243,999x = 253,073,388,096
5. Step 5: Solve for x
   x = 253,073,388,096/243,999
6. Step 6: Final answer
   x = 1,037,190.27