Finding the Third Proportional to 115,379 and 250,440.50

Step by Step Solution

1. Step 1: Write the proportion equation
   115,379 : 250,440.50 = 250,440.50 : x
2. Step 2: Convert to fraction form
   115,379/250,440.50 = 250,440.50/x
3. Step 3: Cross multiply
   115,379x = 250,440.50 × 250,440.50
4. Step 4: Simplify right side
   115,379x = 62,720,444,040.25
5. Step 5: Solve for x
   x = 62,720,444,040.25/115,379
6. Step 6: Final answer
   x = 543,603.64