Finding the Third Proportional to 162,057 and 245,321.25

Step by Step Solution

1. Step 1: Write the proportion equation
   162,057 : 245,321.25 = 245,321.25 : x
2. Step 2: Convert to fraction form
   162,057/245,321.25 = 245,321.25/x
3. Step 3: Cross multiply
   162,057x = 245,321.25 × 245,321.25
4. Step 4: Simplify right side
   162,057x = 60,182,515,701.56
5. Step 5: Solve for x
   x = 60,182,515,701.56/162,057
6. Step 6: Final answer
   x = 371,366.34