Finding the Third Proportional to 72,316.50 and 157,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,316.50 : 157,072.50 = 157,072.50 : x
2. Step 2: Convert to fraction form
   72,316.50/157,072.50 = 157,072.50/x
3. Step 3: Cross multiply
   72,316.50x = 157,072.50 × 157,072.50
4. Step 4: Simplify right side
   72,316.50x = 24,671,770,256.25
5. Step 5: Solve for x
   x = 24,671,770,256.25/72,316.50
6. Step 6: Final answer
   x = 341,163.78