Finding the Third Proportional to 84,688.50 and 123,850.50

Step by Step Solution

1. Step 1: Write the proportion equation
   84,688.50 : 123,850.50 = 123,850.50 : x
2. Step 2: Convert to fraction form
   84,688.50/123,850.50 = 123,850.50/x
3. Step 3: Cross multiply
   84,688.50x = 123,850.50 × 123,850.50
4. Step 4: Simplify right side
   84,688.50x = 15,338,946,350.25
5. Step 5: Solve for x
   x = 15,338,946,350.25/84,688.50
6. Step 6: Final answer
   x = 181,121.95