Finding the Third Proportional to 71,578.69 and 150,994.13

Step by Step Solution

1. Step 1: Write the proportion equation
   71,578.69 : 150,994.13 = 150,994.13 : x
2. Step 2: Convert to fraction form
   71,578.69/150,994.13 = 150,994.13/x
3. Step 3: Cross multiply
   71,578.69x = 150,994.13 × 150,994.13
4. Step 4: Simplify right side
   71,578.69x = 22,799,225,784.52
5. Step 5: Solve for x
   x = 22,799,225,784.52/71,578.69
6. Step 6: Final answer
   x = 318,519.75