Finding the Third Proportional to 58,258.50 and 124,143

Step by Step Solution

1. Step 1: Write the proportion equation
   58,258.50 : 124,143 = 124,143 : x
2. Step 2: Convert to fraction form
   58,258.50/124,143 = 124,143/x
3. Step 3: Cross multiply
   58,258.50x = 124,143 × 124,143
4. Step 4: Simplify right side
   58,258.50x = 15,411,484,449
5. Step 5: Solve for x
   x = 15,411,484,449/58,258.50
6. Step 6: Final answer
   x = 264,536.24