Finding the Third Proportional to 72,112.50 and 156,393

Step by Step Solution

1. Step 1: Write the proportion equation
   72,112.50 : 156,393 = 156,393 : x
2. Step 2: Convert to fraction form
   72,112.50/156,393 = 156,393/x
3. Step 3: Cross multiply
   72,112.50x = 156,393 × 156,393
4. Step 4: Simplify right side
   72,112.50x = 24,458,770,449
5. Step 5: Solve for x
   x = 24,458,770,449/72,112.50
6. Step 6: Final answer
   x = 339,175.18