Finding the Third Proportional to 72,690 and 155,898

Step by Step Solution

1. Step 1: Write the proportion equation
   72,690 : 155,898 = 155,898 : x
2. Step 2: Convert to fraction form
   72,690/155,898 = 155,898/x
3. Step 3: Cross multiply
   72,690x = 155,898 × 155,898
4. Step 4: Simplify right side
   72,690x = 24,304,186,404
5. Step 5: Solve for x
   x = 24,304,186,404/72,690
6. Step 6: Final answer
   x = 334,353.92