Finding the Third Proportional to 112,259.50 and 174,309

Step by Step Solution

1. Step 1: Write the proportion equation
   112,259.50 : 174,309 = 174,309 : x
2. Step 2: Convert to fraction form
   112,259.50/174,309 = 174,309/x
3. Step 3: Cross multiply
   112,259.50x = 174,309 × 174,309
4. Step 4: Simplify right side
   112,259.50x = 30,383,627,481
5. Step 5: Solve for x
   x = 30,383,627,481/112,259.50
6. Step 6: Final answer
   x = 270,655.29