Finding the Third Proportional to 262,107 and 616,099.50

Step by Step Solution

1. Step 1: Write the proportion equation
   262,107 : 616,099.50 = 616,099.50 : x
2. Step 2: Convert to fraction form
   262,107/616,099.50 = 616,099.50/x
3. Step 3: Cross multiply
   262,107x = 616,099.50 × 616,099.50
4. Step 4: Simplify right side
   262,107x = 379,578,593,900.25
5. Step 5: Solve for x
   x = 379,578,593,900.25/262,107
6. Step 6: Final answer
   x = 1,448,181.83