Finding the Third Proportional to 644,277 and 946,732.50

Step by Step Solution

1. Step 1: Write the proportion equation
   644,277 : 946,732.50 = 946,732.50 : x
2. Step 2: Convert to fraction form
   644,277/946,732.50 = 946,732.50/x
3. Step 3: Cross multiply
   644,277x = 946,732.50 × 946,732.50
4. Step 4: Simplify right side
   644,277x = 896,302,426,556.25
5. Step 5: Solve for x
   x = 896,302,426,556.25/644,277
6. Step 6: Final answer
   x = 1,391,175.58