Finding the Third Proportional to 129,460.50 and 174,910.50

Step by Step Solution

1. Step 1: Write the proportion equation
   129,460.50 : 174,910.50 = 174,910.50 : x
2. Step 2: Convert to fraction form
   129,460.50/174,910.50 = 174,910.50/x
3. Step 3: Cross multiply
   129,460.50x = 174,910.50 × 174,910.50
4. Step 4: Simplify right side
   129,460.50x = 30,593,683,010.25
5. Step 5: Solve for x
   x = 30,593,683,010.25/129,460.50
6. Step 6: Final answer
   x = 236,316.74