Finding the Third Proportional to 119,961 and 172,786.50

Step by Step Solution

1. Step 1: Write the proportion equation
   119,961 : 172,786.50 = 172,786.50 : x
2. Step 2: Convert to fraction form
   119,961/172,786.50 = 172,786.50/x
3. Step 3: Cross multiply
   119,961x = 172,786.50 × 172,786.50
4. Step 4: Simplify right side
   119,961x = 29,855,174,582.25
5. Step 5: Solve for x
   x = 29,855,174,582.25/119,961
6. Step 6: Final answer
   x = 248,874.01