Finding the Third Proportional to 162,057 and 245,320.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,057 : 245,320.50 = 245,320.50 : x
2. Step 2: Convert to fraction form
   162,057/245,320.50 = 245,320.50/x
3. Step 3: Cross multiply
   162,057x = 245,320.50 × 245,320.50
4. Step 4: Simplify right side
   162,057x = 60,182,147,720.25
5. Step 5: Solve for x
   x = 60,182,147,720.25/162,057
6. Step 6: Final answer
   x = 371,364.07