Finding the Third Proportional to 72,561 and 150,244.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,561 : 150,244.50 = 150,244.50 : x
2. Step 2: Convert to fraction form
   72,561/150,244.50 = 150,244.50/x
3. Step 3: Cross multiply
   72,561x = 150,244.50 × 150,244.50
4. Step 4: Simplify right side
   72,561x = 22,573,409,780.25
5. Step 5: Solve for x
   x = 22,573,409,780.25/72,561
6. Step 6: Final answer
   x = 311,095.63