Finding the Third Proportional to 54,329.06 and 86,448.09

Step by Step Solution

1. Step 1: Write the proportion equation
   54,329.06 : 86,448.09 = 86,448.09 : x
2. Step 2: Convert to fraction form
   54,329.06/86,448.09 = 86,448.09/x
3. Step 3: Cross multiply
   54,329.06x = 86,448.09 × 86,448.09
4. Step 4: Simplify right side
   54,329.06x = 7,473,272,913.01
5. Step 5: Solve for x
   x = 7,473,272,913.01/54,329.06
6. Step 6: Final answer
   x = 137,555.71