Finding the Third Proportional to 72,450 and 158,900

Step by Step Solution

1. Step 1: Write the proportion equation
   72,450 : 158,900 = 158,900 : x
2. Step 2: Convert to fraction form
   72,450/158,900 = 158,900/x
3. Step 3: Cross multiply
   72,450x = 158,900 × 158,900
4. Step 4: Simplify right side
   72,450x = 25,249,210,000
5. Step 5: Solve for x
   x = 25,249,210,000/72,450
6. Step 6: Final answer
   x = 348,505.31