Finding the Third Proportional to 106,491 and 161,680.50

Step by Step Solution

1. Step 1: Write the proportion equation
   106,491 : 161,680.50 = 161,680.50 : x
2. Step 2: Convert to fraction form
   106,491/161,680.50 = 161,680.50/x
3. Step 3: Cross multiply
   106,491x = 161,680.50 × 161,680.50
4. Step 4: Simplify right side
   106,491x = 26,140,584,080.25
5. Step 5: Solve for x
   x = 26,140,584,080.25/106,491
6. Step 6: Final answer
   x = 245,472.24