Finding the Third Proportional to 54,785 and 113,781.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,785 : 113,781.50 = 113,781.50 : x
2. Step 2: Convert to fraction form
   54,785/113,781.50 = 113,781.50/x
3. Step 3: Cross multiply
   54,785x = 113,781.50 × 113,781.50
4. Step 4: Simplify right side
   54,785x = 12,946,229,742.25
5. Step 5: Solve for x
   x = 12,946,229,742.25/54,785
6. Step 6: Final answer
   x = 236,309.75