Finding the Third Proportional to 71,985.38 and 157,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,985.38 : 157,072.50 = 157,072.50 : x
2. Step 2: Convert to fraction form
   71,985.38/157,072.50 = 157,072.50/x
3. Step 3: Cross multiply
   71,985.38x = 157,072.50 × 157,072.50
4. Step 4: Simplify right side
   71,985.38x = 24,671,770,256.25
5. Step 5: Solve for x
   x = 24,671,770,256.25/71,985.38
6. Step 6: Final answer
   x = 342,733.09