Finding the Third Proportional to 71,818 and 155,108

Step by Step Solution

1. Step 1: Write the proportion equation
   71,818 : 155,108 = 155,108 : x
2. Step 2: Convert to fraction form
   71,818/155,108 = 155,108/x
3. Step 3: Cross multiply
   71,818x = 155,108 × 155,108
4. Step 4: Simplify right side
   71,818x = 24,058,491,664
5. Step 5: Solve for x
   x = 24,058,491,664/71,818
6. Step 6: Final answer
   x = 334,992.50