Finding the Third Proportional to 79,429.50 and 111,938

Step by Step Solution

1. Step 1: Write the proportion equation
   79,429.50 : 111,938 = 111,938 : x
2. Step 2: Convert to fraction form
   79,429.50/111,938 = 111,938/x
3. Step 3: Cross multiply
   79,429.50x = 111,938 × 111,938
4. Step 4: Simplify right side
   79,429.50x = 12,530,115,844
5. Step 5: Solve for x
   x = 12,530,115,844/79,429.50
6. Step 6: Final answer
   x = 157,751.41