Finding the Third Proportional to 129,457.50 and 174,906

Step by Step Solution

1. Step 1: Write the proportion equation
   129,457.50 : 174,906 = 174,906 : x
2. Step 2: Convert to fraction form
   129,457.50/174,906 = 174,906/x
3. Step 3: Cross multiply
   129,457.50x = 174,906 × 174,906
4. Step 4: Simplify right side
   129,457.50x = 30,592,108,836
5. Step 5: Solve for x
   x = 30,592,108,836/129,457.50
6. Step 6: Final answer
   x = 236,310.05