Finding the Third Proportional to 123,325.50 and 256,371

Step by Step Solution

1. Step 1: Write the proportion equation
   123,325.50 : 256,371 = 256,371 : x
2. Step 2: Convert to fraction form
   123,325.50/256,371 = 256,371/x
3. Step 3: Cross multiply
   123,325.50x = 256,371 × 256,371
4. Step 4: Simplify right side
   123,325.50x = 65,726,089,641
5. Step 5: Solve for x
   x = 65,726,089,641/123,325.50
6. Step 6: Final answer
   x = 532,948.09