Finding the Third Proportional to 455,878.50 and 992,028

Step by Step Solution

1. Step 1: Write the proportion equation
   455,878.50 : 992,028 = 992,028 : x
2. Step 2: Convert to fraction form
   455,878.50/992,028 = 992,028/x
3. Step 3: Cross multiply
   455,878.50x = 992,028 × 992,028
4. Step 4: Simplify right side
   455,878.50x = 984,119,552,784
5. Step 5: Solve for x
   x = 984,119,552,784/455,878.50
6. Step 6: Final answer
   x = 2,158,732.10