Finding the Third Proportional to 399,622.50 and 855,927

Step by Step Solution

1. Step 1: Write the proportion equation
   399,622.50 : 855,927 = 855,927 : x
2. Step 2: Convert to fraction form
   399,622.50/855,927 = 855,927/x
3. Step 3: Cross multiply
   399,622.50x = 855,927 × 855,927
4. Step 4: Simplify right side
   399,622.50x = 732,611,029,329
5. Step 5: Solve for x
   x = 732,611,029,329/399,622.50
6. Step 6: Final answer
   x = 1,833,257.71