Finding the Third Proportional to 171,058.50 and 265,518

Step by Step Solution

1. Step 1: Write the proportion equation
   171,058.50 : 265,518 = 265,518 : x
2. Step 2: Convert to fraction form
   171,058.50/265,518 = 265,518/x
3. Step 3: Cross multiply
   171,058.50x = 265,518 × 265,518
4. Step 4: Simplify right side
   171,058.50x = 70,499,808,324
5. Step 5: Solve for x
   x = 70,499,808,324/171,058.50
6. Step 6: Final answer
   x = 412,138.59