Finding the Third Proportional to 110,443.50 and 172,773

Step by Step Solution

1. Step 1: Write the proportion equation
   110,443.50 : 172,773 = 172,773 : x
2. Step 2: Convert to fraction form
   110,443.50/172,773 = 172,773/x
3. Step 3: Cross multiply
   110,443.50x = 172,773 × 172,773
4. Step 4: Simplify right side
   110,443.50x = 29,850,509,529
5. Step 5: Solve for x
   x = 29,850,509,529/110,443.50
6. Step 6: Final answer
   x = 270,278.55