Finding the Third Proportional to 86,055.25 and 123,943.63

Step by Step Solution

1. Step 1: Write the proportion equation
   86,055.25 : 123,943.63 = 123,943.63 : x
2. Step 2: Convert to fraction form
   86,055.25/123,943.63 = 123,943.63/x
3. Step 3: Cross multiply
   86,055.25x = 123,943.63 × 123,943.63
4. Step 4: Simplify right side
   86,055.25x = 15,362,022,178.14
5. Step 5: Solve for x
   x = 15,362,022,178.14/86,055.25
6. Step 6: Final answer
   x = 178,513.48