Finding the Third Proportional to 79,385 and 109,357

Step by Step Solution

1. Step 1: Write the proportion equation
   79,385 : 109,357 = 109,357 : x
2. Step 2: Convert to fraction form
   79,385/109,357 = 109,357/x
3. Step 3: Cross multiply
   79,385x = 109,357 × 109,357
4. Step 4: Simplify right side
   79,385x = 11,958,953,449
5. Step 5: Solve for x
   x = 11,958,953,449/79,385
6. Step 6: Final answer
   x = 150,645.00