Finding the Third Proportional to 71,418 and 150,860

Step by Step Solution

1. Step 1: Write the proportion equation
   71,418 : 150,860 = 150,860 : x
2. Step 2: Convert to fraction form
   71,418/150,860 = 150,860/x
3. Step 3: Cross multiply
   71,418x = 150,860 × 150,860
4. Step 4: Simplify right side
   71,418x = 22,758,739,600
5. Step 5: Solve for x
   x = 22,758,739,600/71,418
6. Step 6: Final answer
   x = 318,669.52