Finding the Third Proportional to 81,765 and 109,882

Step by Step Solution

1. Step 1: Write the proportion equation
   81,765 : 109,882 = 109,882 : x
2. Step 2: Convert to fraction form
   81,765/109,882 = 109,882/x
3. Step 3: Cross multiply
   81,765x = 109,882 × 109,882
4. Step 4: Simplify right side
   81,765x = 12,074,053,924
5. Step 5: Solve for x
   x = 12,074,053,924/81,765
6. Step 6: Final answer
   x = 147,667.75