Finding the Third Proportional to 142,740 and 187,746

Step by Step Solution

1. Step 1: Write the proportion equation
   142,740 : 187,746 = 187,746 : x
2. Step 2: Convert to fraction form
   142,740/187,746 = 187,746/x
3. Step 3: Cross multiply
   142,740x = 187,746 × 187,746
4. Step 4: Simplify right side
   142,740x = 35,248,560,516
5. Step 5: Solve for x
   x = 35,248,560,516/142,740
6. Step 6: Final answer
   x = 246,942.42