Finding the Third Proportional to 122,373 and 172,327.50

Step by Step Solution

1. Step 1: Write the proportion equation
   122,373 : 172,327.50 = 172,327.50 : x
2. Step 2: Convert to fraction form
   122,373/172,327.50 = 172,327.50/x
3. Step 3: Cross multiply
   122,373x = 172,327.50 × 172,327.50
4. Step 4: Simplify right side
   122,373x = 29,696,767,256.25
5. Step 5: Solve for x
   x = 29,696,767,256.25/122,373
6. Step 6: Final answer
   x = 242,674.18