Finding the Third Proportional to 100,131 and 150,216.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,131 : 150,216.50 = 150,216.50 : x
2. Step 2: Convert to fraction form
   100,131/150,216.50 = 150,216.50/x
3. Step 3: Cross multiply
   100,131x = 150,216.50 × 150,216.50
4. Step 4: Simplify right side
   100,131x = 22,564,996,872.25
5. Step 5: Solve for x
   x = 22,564,996,872.25/100,131
6. Step 6: Final answer
   x = 225,354.75