Finding the Third Proportional to 59,420.25 and 86,448.38

Step by Step Solution

1. Step 1: Write the proportion equation
   59,420.25 : 86,448.38 = 86,448.38 : x
2. Step 2: Convert to fraction form
   59,420.25/86,448.38 = 86,448.38/x
3. Step 3: Cross multiply
   59,420.25x = 86,448.38 × 86,448.38
4. Step 4: Simplify right side
   59,420.25x = 7,473,321,540.14
5. Step 5: Solve for x
   x = 7,473,321,540.14/59,420.25
6. Step 6: Final answer
   x = 125,770.62