Finding the Third Proportional to 86,478 and 110,500

Step by Step Solution

1. Step 1: Write the proportion equation
   86,478 : 110,500 = 110,500 : x
2. Step 2: Convert to fraction form
   86,478/110,500 = 110,500/x
3. Step 3: Cross multiply
   86,478x = 110,500 × 110,500
4. Step 4: Simplify right side
   86,478x = 12,210,250,000
5. Step 5: Solve for x
   x = 12,210,250,000/86,478
6. Step 6: Final answer
   x = 141,194.87