Finding the Third Proportional to 67,880 and 149,145

Step by Step Solution

1. Step 1: Write the proportion equation
   67,880 : 149,145 = 149,145 : x
2. Step 2: Convert to fraction form
   67,880/149,145 = 149,145/x
3. Step 3: Cross multiply
   67,880x = 149,145 × 149,145
4. Step 4: Simplify right side
   67,880x = 22,244,231,025
5. Step 5: Solve for x
   x = 22,244,231,025/67,880
6. Step 6: Final answer
   x = 327,699.34