Finding the Third Proportional to 72,702 and 158,905.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,702 : 158,905.50 = 158,905.50 : x
2. Step 2: Convert to fraction form
   72,702/158,905.50 = 158,905.50/x
3. Step 3: Cross multiply
   72,702x = 158,905.50 × 158,905.50
4. Step 4: Simplify right side
   72,702x = 25,250,957,930.25
5. Step 5: Solve for x
   x = 25,250,957,930.25/72,702
6. Step 6: Final answer
   x = 347,321.37