Finding the Third Proportional to 55,563.75 and 86,059.13

Step by Step Solution

1. Step 1: Write the proportion equation
   55,563.75 : 86,059.13 = 86,059.13 : x
2. Step 2: Convert to fraction form
   55,563.75/86,059.13 = 86,059.13/x
3. Step 3: Cross multiply
   55,563.75x = 86,059.13 × 86,059.13
4. Step 4: Simplify right side
   55,563.75x = 7,406,172,995.77
5. Step 5: Solve for x
   x = 7,406,172,995.77/55,563.75
6. Step 6: Final answer
   x = 133,291.45