Finding the Third Proportional to 67,507 and 147,728

Step by Step Solution

1. Step 1: Write the proportion equation
   67,507 : 147,728 = 147,728 : x
2. Step 2: Convert to fraction form
   67,507/147,728 = 147,728/x
3. Step 3: Cross multiply
   67,507x = 147,728 × 147,728
4. Step 4: Simplify right side
   67,507x = 21,823,561,984
5. Step 5: Solve for x
   x = 21,823,561,984/67,507
6. Step 6: Final answer
   x = 323,278.50