Finding the Third Proportional to 122,572.50 and 171,864

Step by Step Solution

1. Step 1: Write the proportion equation
   122,572.50 : 171,864 = 171,864 : x
2. Step 2: Convert to fraction form
   122,572.50/171,864 = 171,864/x
3. Step 3: Cross multiply
   122,572.50x = 171,864 × 171,864
4. Step 4: Simplify right side
   122,572.50x = 29,537,234,496
5. Step 5: Solve for x
   x = 29,537,234,496/122,572.50
6. Step 6: Final answer
   x = 240,977.66