Finding the Third Proportional to 120,587.50 and 262,604

Step by Step Solution

1. Step 1: Write the proportion equation
   120,587.50 : 262,604 = 262,604 : x
2. Step 2: Convert to fraction form
   120,587.50/262,604 = 262,604/x
3. Step 3: Cross multiply
   120,587.50x = 262,604 × 262,604
4. Step 4: Simplify right side
   120,587.50x = 68,960,860,816
5. Step 5: Solve for x
   x = 68,960,860,816/120,587.50
6. Step 6: Final answer
   x = 571,874.04