Finding the Third Proportional to 81,284 and 107,882.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,284 : 107,882.50 = 107,882.50 : x
2. Step 2: Convert to fraction form
   81,284/107,882.50 = 107,882.50/x
3. Step 3: Cross multiply
   81,284x = 107,882.50 × 107,882.50
4. Step 4: Simplify right side
   81,284x = 11,638,633,806.25
5. Step 5: Solve for x
   x = 11,638,633,806.25/81,284
6. Step 6: Final answer
   x = 143,184.81