Finding the Third Proportional to 72,706.50 and 158,945

Step by Step Solution

1. Step 1: Write the proportion equation
   72,706.50 : 158,945 = 158,945 : x
2. Step 2: Convert to fraction form
   72,706.50/158,945 = 158,945/x
3. Step 3: Cross multiply
   72,706.50x = 158,945 × 158,945
4. Step 4: Simplify right side
   72,706.50x = 25,263,513,025
5. Step 5: Solve for x
   x = 25,263,513,025/72,706.50
6. Step 6: Final answer
   x = 347,472.55