Finding the Third Proportional to 67,480 and 148,208

Step by Step Solution

1. Step 1: Write the proportion equation
   67,480 : 148,208 = 148,208 : x
2. Step 2: Convert to fraction form
   67,480/148,208 = 148,208/x
3. Step 3: Cross multiply
   67,480x = 148,208 × 148,208
4. Step 4: Simplify right side
   67,480x = 21,965,611,264
5. Step 5: Solve for x
   x = 21,965,611,264/67,480
6. Step 6: Final answer
   x = 325,512.91