Finding the Third Proportional to 118,222.50 and 155,187

Step by Step Solution

1. Step 1: Write the proportion equation
   118,222.50 : 155,187 = 155,187 : x
2. Step 2: Convert to fraction form
   118,222.50/155,187 = 155,187/x
3. Step 3: Cross multiply
   118,222.50x = 155,187 × 155,187
4. Step 4: Simplify right side
   118,222.50x = 24,083,004,969
5. Step 5: Solve for x
   x = 24,083,004,969/118,222.50
6. Step 6: Final answer
   x = 203,709.15