Finding the Third Proportional to 282,401.50 and 610,690

Step by Step Solution

1. Step 1: Write the proportion equation
   282,401.50 : 610,690 = 610,690 : x
2. Step 2: Convert to fraction form
   282,401.50/610,690 = 610,690/x
3. Step 3: Cross multiply
   282,401.50x = 610,690 × 610,690
4. Step 4: Simplify right side
   282,401.50x = 372,942,276,100
5. Step 5: Solve for x
   x = 372,942,276,100/282,401.50
6. Step 6: Final answer
   x = 1,320,610.11