Finding the Third Proportional to 351,984 and 504,400.50

Step by Step Solution

1. Step 1: Write the proportion equation
   351,984 : 504,400.50 = 504,400.50 : x
2. Step 2: Convert to fraction form
   351,984/504,400.50 = 504,400.50/x
3. Step 3: Cross multiply
   351,984x = 504,400.50 × 504,400.50
4. Step 4: Simplify right side
   351,984x = 254,419,864,400.25
5. Step 5: Solve for x
   x = 254,419,864,400.25/351,984
6. Step 6: Final answer
   x = 722,816.56