Finding the Third Proportional to 72,930 and 150,915

Step by Step Solution

1. Step 1: Write the proportion equation
   72,930 : 150,915 = 150,915 : x
2. Step 2: Convert to fraction form
   72,930/150,915 = 150,915/x
3. Step 3: Cross multiply
   72,930x = 150,915 × 150,915
4. Step 4: Simplify right side
   72,930x = 22,775,337,225
5. Step 5: Solve for x
   x = 22,775,337,225/72,930
6. Step 6: Final answer
   x = 312,290.38