Finding the Third Proportional to 118,858.50 and 161,885

Step by Step Solution

1. Step 1: Write the proportion equation
   118,858.50 : 161,885 = 161,885 : x
2. Step 2: Convert to fraction form
   118,858.50/161,885 = 161,885/x
3. Step 3: Cross multiply
   118,858.50x = 161,885 × 161,885
4. Step 4: Simplify right side
   118,858.50x = 26,206,753,225
5. Step 5: Solve for x
   x = 26,206,753,225/118,858.50
6. Step 6: Final answer
   x = 220,486.99