Finding the Third Proportional to 43,785 and 67,936.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,785 : 67,936.50 = 67,936.50 : x
2. Step 2: Convert to fraction form
   43,785/67,936.50 = 67,936.50/x
3. Step 3: Cross multiply
   43,785x = 67,936.50 × 67,936.50
4. Step 4: Simplify right side
   43,785x = 4,615,368,032.25
5. Step 5: Solve for x
   x = 4,615,368,032.25/43,785
6. Step 6: Final answer
   x = 105,409.80