Finding the Third Proportional to 168,521 and 253,849.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,521 : 253,849.50 = 253,849.50 : x
2. Step 2: Convert to fraction form
   168,521/253,849.50 = 253,849.50/x
3. Step 3: Cross multiply
   168,521x = 253,849.50 × 253,849.50
4. Step 4: Simplify right side
   168,521x = 64,439,568,650.25
5. Step 5: Solve for x
   x = 64,439,568,650.25/168,521
6. Step 6: Final answer
   x = 382,383.02