Finding the Third Proportional to 58,455 and 123,865.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,455 : 123,865.50 = 123,865.50 : x
2. Step 2: Convert to fraction form
   58,455/123,865.50 = 123,865.50/x
3. Step 3: Cross multiply
   58,455x = 123,865.50 × 123,865.50
4. Step 4: Simplify right side
   58,455x = 15,342,662,090.25
5. Step 5: Solve for x
   x = 15,342,662,090.25/58,455
6. Step 6: Final answer
   x = 262,469.63