Finding the Third Proportional to 84,158.50 and 126,453.50

Step by Step Solution

1. Step 1: Write the proportion equation
   84,158.50 : 126,453.50 = 126,453.50 : x
2. Step 2: Convert to fraction form
   84,158.50/126,453.50 = 126,453.50/x
3. Step 3: Cross multiply
   84,158.50x = 126,453.50 × 126,453.50
4. Step 4: Simplify right side
   84,158.50x = 15,990,487,662.25
5. Step 5: Solve for x
   x = 15,990,487,662.25/84,158.50
6. Step 6: Final answer
   x = 190,004.43