Finding the Third Proportional to 265,315.50 and 375,057

Step by Step Solution

1. Step 1: Write the proportion equation
   265,315.50 : 375,057 = 375,057 : x
2. Step 2: Convert to fraction form
   265,315.50/375,057 = 375,057/x
3. Step 3: Cross multiply
   265,315.50x = 375,057 × 375,057
4. Step 4: Simplify right side
   265,315.50x = 140,667,753,249
5. Step 5: Solve for x
   x = 140,667,753,249/265,315.50
6. Step 6: Final answer
   x = 530,190.48