Finding the Third Proportional to 53,505.56 and 82,800.56

Step by Step Solution

1. Step 1: Write the proportion equation
   53,505.56 : 82,800.56 = 82,800.56 : x
2. Step 2: Convert to fraction form
   53,505.56/82,800.56 = 82,800.56/x
3. Step 3: Cross multiply
   53,505.56x = 82,800.56 × 82,800.56
4. Step 4: Simplify right side
   53,505.56x = 6,855,933,150.32
5. Step 5: Solve for x
   x = 6,855,933,150.32/53,505.56
6. Step 6: Final answer
   x = 128,134.96