Finding the Third Proportional to 111,448 and 156,204

Step by Step Solution

1. Step 1: Write the proportion equation
   111,448 : 156,204 = 156,204 : x
2. Step 2: Convert to fraction form
   111,448/156,204 = 156,204/x
3. Step 3: Cross multiply
   111,448x = 156,204 × 156,204
4. Step 4: Simplify right side
   111,448x = 24,399,689,616
5. Step 5: Solve for x
   x = 24,399,689,616/111,448
6. Step 6: Final answer
   x = 218,933.40