Finding the Third Proportional to 453,885 and 987,616.50

Step by Step Solution

1. Step 1: Write the proportion equation
   453,885 : 987,616.50 = 987,616.50 : x
2. Step 2: Convert to fraction form
   453,885/987,616.50 = 987,616.50/x
3. Step 3: Cross multiply
   453,885x = 987,616.50 × 987,616.50
4. Step 4: Simplify right side
   453,885x = 975,386,351,072.25
5. Step 5: Solve for x
   x = 975,386,351,072.25/453,885
6. Step 6: Final answer
   x = 2,148,972.43