Finding the Third Proportional to 67,760 and 148,648

Step by Step Solution

1. Step 1: Write the proportion equation
   67,760 : 148,648 = 148,648 : x
2. Step 2: Convert to fraction form
   67,760/148,648 = 148,648/x
3. Step 3: Cross multiply
   67,760x = 148,648 × 148,648
4. Step 4: Simplify right side
   67,760x = 22,096,227,904
5. Step 5: Solve for x
   x = 22,096,227,904/67,760
6. Step 6: Final answer
   x = 326,095.45