Finding the Third Proportional to 43,821 and 68,667.75

Step by Step Solution

1. Step 1: Write the proportion equation
   43,821 : 68,667.75 = 68,667.75 : x
2. Step 2: Convert to fraction form
   43,821/68,667.75 = 68,667.75/x
3. Step 3: Cross multiply
   43,821x = 68,667.75 × 68,667.75
4. Step 4: Simplify right side
   43,821x = 4,715,259,890.06
5. Step 5: Solve for x
   x = 4,715,259,890.06/43,821
6. Step 6: Final answer
   x = 107,602.75