Finding the Third Proportional to 79,396 and 109,372

Step by Step Solution

1. Step 1: Write the proportion equation
   79,396 : 109,372 = 109,372 : x
2. Step 2: Convert to fraction form
   79,396/109,372 = 109,372/x
3. Step 3: Cross multiply
   79,396x = 109,372 × 109,372
4. Step 4: Simplify right side
   79,396x = 11,962,234,384
5. Step 5: Solve for x
   x = 11,962,234,384/79,396
6. Step 6: Final answer
   x = 150,665.45