Finding the Third Proportional to 409,162.50 and 888,309

Step by Step Solution

1. Step 1: Write the proportion equation
   409,162.50 : 888,309 = 888,309 : x
2. Step 2: Convert to fraction form
   409,162.50/888,309 = 888,309/x
3. Step 3: Cross multiply
   409,162.50x = 888,309 × 888,309
4. Step 4: Simplify right side
   409,162.50x = 789,092,879,481
5. Step 5: Solve for x
   x = 789,092,879,481/409,162.50
6. Step 6: Final answer
   x = 1,928,556.21