Finding the Third Proportional to 72,898 and 157,900

Step by Step Solution

1. Step 1: Write the proportion equation
   72,898 : 157,900 = 157,900 : x
2. Step 2: Convert to fraction form
   72,898/157,900 = 157,900/x
3. Step 3: Cross multiply
   72,898x = 157,900 × 157,900
4. Step 4: Simplify right side
   72,898x = 24,932,410,000
5. Step 5: Solve for x
   x = 24,932,410,000/72,898
6. Step 6: Final answer
   x = 342,017.75