Finding the Third Proportional to 107,145 and 161,689.50

Step by Step Solution

1. Step 1: Write the proportion equation
   107,145 : 161,689.50 = 161,689.50 : x
2. Step 2: Convert to fraction form
   107,145/161,689.50 = 161,689.50/x
3. Step 3: Cross multiply
   107,145x = 161,689.50 × 161,689.50
4. Step 4: Simplify right side
   107,145x = 26,143,494,410.25
5. Step 5: Solve for x
   x = 26,143,494,410.25/107,145
6. Step 6: Final answer
   x = 244,001.07