Finding the Third Proportional to 164,448 and 384,480

Step by Step Solution

1. Step 1: Write the proportion equation
   164,448 : 384,480 = 384,480 : x
2. Step 2: Convert to fraction form
   164,448/384,480 = 384,480/x
3. Step 3: Cross multiply
   164,448x = 384,480 × 384,480
4. Step 4: Simplify right side
   164,448x = 147,824,870,400
5. Step 5: Solve for x
   x = 147,824,870,400/164,448
6. Step 6: Final answer
   x = 898,915.59