Finding the Third Proportional to 624,469.50 and 987,876

Step by Step Solution

1. Step 1: Write the proportion equation
   624,469.50 : 987,876 = 987,876 : x
2. Step 2: Convert to fraction form
   624,469.50/987,876 = 987,876/x
3. Step 3: Cross multiply
   624,469.50x = 987,876 × 987,876
4. Step 4: Simplify right side
   624,469.50x = 975,898,991,376
5. Step 5: Solve for x
   x = 975,898,991,376/624,469.50
6. Step 6: Final answer
   x = 1,562,764.86