Finding the Third Proportional to 84,064.50 and 126,198

Step by Step Solution

1. Step 1: Write the proportion equation
   84,064.50 : 126,198 = 126,198 : x
2. Step 2: Convert to fraction form
   84,064.50/126,198 = 126,198/x
3. Step 3: Cross multiply
   84,064.50x = 126,198 × 126,198
4. Step 4: Simplify right side
   84,064.50x = 15,925,935,204
5. Step 5: Solve for x
   x = 15,925,935,204/84,064.50
6. Step 6: Final answer
   x = 189,449.00