Finding the Third Proportional to 142,724 and 187,719

Step by Step Solution

1. Step 1: Write the proportion equation
   142,724 : 187,719 = 187,719 : x
2. Step 2: Convert to fraction form
   142,724/187,719 = 187,719/x
3. Step 3: Cross multiply
   142,724x = 187,719 × 187,719
4. Step 4: Simplify right side
   142,724x = 35,238,422,961
5. Step 5: Solve for x
   x = 35,238,422,961/142,724
6. Step 6: Final answer
   x = 246,899.07