Finding the Third Proportional to 121,282 and 260,804.50

Step by Step Solution

1. Step 1: Write the proportion equation
   121,282 : 260,804.50 = 260,804.50 : x
2. Step 2: Convert to fraction form
   121,282/260,804.50 = 260,804.50/x
3. Step 3: Cross multiply
   121,282x = 260,804.50 × 260,804.50
4. Step 4: Simplify right side
   121,282x = 68,018,987,220.25
5. Step 5: Solve for x
   x = 68,018,987,220.25/121,282
6. Step 6: Final answer
   x = 560,833.32