Finding the Third Proportional to 268,740 and 376,501.50

Step by Step Solution

1. Step 1: Write the proportion equation
   268,740 : 376,501.50 = 376,501.50 : x
2. Step 2: Convert to fraction form
   268,740/376,501.50 = 376,501.50/x
3. Step 3: Cross multiply
   268,740x = 376,501.50 × 376,501.50
4. Step 4: Simplify right side
   268,740x = 141,753,379,502.25
5. Step 5: Solve for x
   x = 141,753,379,502.25/268,740
6. Step 6: Final answer
   x = 527,474.06