Finding the Third Proportional to 53,559.50 and 126,892.25

Step by Step Solution

1. Step 1: Write the proportion equation
   53,559.50 : 126,892.25 = 126,892.25 : x
2. Step 2: Convert to fraction form
   53,559.50/126,892.25 = 126,892.25/x
3. Step 3: Cross multiply
   53,559.50x = 126,892.25 × 126,892.25
4. Step 4: Simplify right side
   53,559.50x = 16,101,643,110.06
5. Step 5: Solve for x
   x = 16,101,643,110.06/53,559.50
6. Step 6: Final answer
   x = 300,630.95