Finding the Third Proportional to 107,906 and 161,210.50

Step by Step Solution

1. Step 1: Write the proportion equation
   107,906 : 161,210.50 = 161,210.50 : x
2. Step 2: Convert to fraction form
   107,906/161,210.50 = 161,210.50/x
3. Step 3: Cross multiply
   107,906x = 161,210.50 × 161,210.50
4. Step 4: Simplify right side
   107,906x = 25,988,825,310.25
5. Step 5: Solve for x
   x = 25,988,825,310.25/107,906
6. Step 6: Final answer
   x = 240,846.90