Finding the Third Proportional to 67,396 and 147,608

Step by Step Solution

1. Step 1: Write the proportion equation
   67,396 : 147,608 = 147,608 : x
2. Step 2: Convert to fraction form
   67,396/147,608 = 147,608/x
3. Step 3: Cross multiply
   67,396x = 147,608 × 147,608
4. Step 4: Simplify right side
   67,396x = 21,788,121,664
5. Step 5: Solve for x
   x = 21,788,121,664/67,396
6. Step 6: Final answer
   x = 323,285.09