Finding the Third Proportional to 455,895 and 992,059.31

Step by Step Solution

1. Step 1: Write the proportion equation
   455,895 : 992,059.31 = 992,059.31 : x
2. Step 2: Convert to fraction form
   455,895/992,059.31 = 992,059.31/x
3. Step 3: Cross multiply
   455,895x = 992,059.31 × 992,059.31
4. Step 4: Simplify right side
   455,895x = 984,181,679,517.97
5. Step 5: Solve for x
   x = 984,181,679,517.97/455,895
6. Step 6: Final answer
   x = 2,158,790.25