Finding the Third Proportional to 168,500 and 253,434

Step by Step Solution

1. Step 1: Write the proportion equation
   168,500 : 253,434 = 253,434 : x
2. Step 2: Convert to fraction form
   168,500/253,434 = 253,434/x
3. Step 3: Cross multiply
   168,500x = 253,434 × 253,434
4. Step 4: Simplify right side
   168,500x = 64,228,792,356
5. Step 5: Solve for x
   x = 64,228,792,356/168,500
6. Step 6: Final answer
   x = 381,179.78