Finding the Third Proportional to 55,358.44 and 86,497.56

Step by Step Solution

1. Step 1: Write the proportion equation
   55,358.44 : 86,497.56 = 86,497.56 : x
2. Step 2: Convert to fraction form
   55,358.44/86,497.56 = 86,497.56/x
3. Step 3: Cross multiply
   55,358.44x = 86,497.56 × 86,497.56
4. Step 4: Simplify right side
   55,358.44x = 7,481,827,642.68
5. Step 5: Solve for x
   x = 7,481,827,642.68/55,358.44
6. Step 6: Final answer
   x = 135,152.44