Finding the Third Proportional to 111,942 and 151,996.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,942 : 151,996.50 = 151,996.50 : x
2. Step 2: Convert to fraction form
   111,942/151,996.50 = 151,996.50/x
3. Step 3: Cross multiply
   111,942x = 151,996.50 × 151,996.50
4. Step 4: Simplify right side
   111,942x = 23,102,936,012.25
5. Step 5: Solve for x
   x = 23,102,936,012.25/111,942
6. Step 6: Final answer
   x = 206,383.09