Finding the Third Proportional to 71,153 and 150,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,153 : 150,142.50 = 150,142.50 : x
2. Step 2: Convert to fraction form
   71,153/150,142.50 = 150,142.50/x
3. Step 3: Cross multiply
   71,153x = 150,142.50 × 150,142.50
4. Step 4: Simplify right side
   71,153x = 22,542,770,306.25
5. Step 5: Solve for x
   x = 22,542,770,306.25/71,153
6. Step 6: Final answer
   x = 316,821.08