Finding the Third Proportional to 67,572 and 144,982

Step by Step Solution

1. Step 1: Write the proportion equation
   67,572 : 144,982 = 144,982 : x
2. Step 2: Convert to fraction form
   67,572/144,982 = 144,982/x
3. Step 3: Cross multiply
   67,572x = 144,982 × 144,982
4. Step 4: Simplify right side
   67,572x = 21,019,780,324
5. Step 5: Solve for x
   x = 21,019,780,324/67,572
6. Step 6: Final answer
   x = 311,072.34