Finding the Third Proportional to 239,379 and 364,043.25

Step by Step Solution

1. Step 1: Write the proportion equation
   239,379 : 364,043.25 = 364,043.25 : x
2. Step 2: Convert to fraction form
   239,379/364,043.25 = 364,043.25/x
3. Step 3: Cross multiply
   239,379x = 364,043.25 × 364,043.25
4. Step 4: Simplify right side
   239,379x = 132,527,487,870.56
5. Step 5: Solve for x
   x = 132,527,487,870.56/239,379
6. Step 6: Final answer
   x = 553,630.38