Finding the Third Proportional to 151,467.50 and 318,604

Step by Step Solution

1. Step 1: Write the proportion equation
   151,467.50 : 318,604 = 318,604 : x
2. Step 2: Convert to fraction form
   151,467.50/318,604 = 318,604/x
3. Step 3: Cross multiply
   151,467.50x = 318,604 × 318,604
4. Step 4: Simplify right side
   151,467.50x = 101,508,508,816
5. Step 5: Solve for x
   x = 101,508,508,816/151,467.50
6. Step 6: Final answer
   x = 670,166.93