Finding the Third Proportional to 455,904 and 992,078.50

Step by Step Solution

1. Step 1: Write the proportion equation
   455,904 : 992,078.50 = 992,078.50 : x
2. Step 2: Convert to fraction form
   455,904/992,078.50 = 992,078.50/x
3. Step 3: Cross multiply
   455,904x = 992,078.50 × 992,078.50
4. Step 4: Simplify right side
   455,904x = 984,219,750,162.25
5. Step 5: Solve for x
   x = 984,219,750,162.25/455,904
6. Step 6: Final answer
   x = 2,158,831.14