Finding the Third Proportional to 122,477.50 and 262,451

Step by Step Solution

1. Step 1: Write the proportion equation
   122,477.50 : 262,451 = 262,451 : x
2. Step 2: Convert to fraction form
   122,477.50/262,451 = 262,451/x
3. Step 3: Cross multiply
   122,477.50x = 262,451 × 262,451
4. Step 4: Simplify right side
   122,477.50x = 68,880,527,401
5. Step 5: Solve for x
   x = 68,880,527,401/122,477.50
6. Step 6: Final answer
   x = 562,393.32