Finding the Third Proportional to 325,451.50 and 503,878

Step by Step Solution

1. Step 1: Write the proportion equation
   325,451.50 : 503,878 = 503,878 : x
2. Step 2: Convert to fraction form
   325,451.50/503,878 = 503,878/x
3. Step 3: Cross multiply
   325,451.50x = 503,878 × 503,878
4. Step 4: Simplify right side
   325,451.50x = 253,893,038,884
5. Step 5: Solve for x
   x = 253,893,038,884/325,451.50
6. Step 6: Final answer
   x = 780,125.58