Finding the Third Proportional to 124,704 and 187,200

Step by Step Solution

1. Step 1: Write the proportion equation
   124,704 : 187,200 = 187,200 : x
2. Step 2: Convert to fraction form
   124,704/187,200 = 187,200/x
3. Step 3: Cross multiply
   124,704x = 187,200 × 187,200
4. Step 4: Simplify right side
   124,704x = 35,043,840,000
5. Step 5: Solve for x
   x = 35,043,840,000/124,704
6. Step 6: Final answer
   x = 281,016.17