Finding the Third Proportional to 81,667 and 110,833.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,667 : 110,833.50 = 110,833.50 : x
2. Step 2: Convert to fraction form
   81,667/110,833.50 = 110,833.50/x
3. Step 3: Cross multiply
   81,667x = 110,833.50 × 110,833.50
4. Step 4: Simplify right side
   81,667x = 12,284,064,722.25
5. Step 5: Solve for x
   x = 12,284,064,722.25/81,667
6. Step 6: Final answer
   x = 150,416.51