Finding the Third Proportional to 415,644.50 and 893,450

Step by Step Solution

1. Step 1: Write the proportion equation
   415,644.50 : 893,450 = 893,450 : x
2. Step 2: Convert to fraction form
   415,644.50/893,450 = 893,450/x
3. Step 3: Cross multiply
   415,644.50x = 893,450 × 893,450
4. Step 4: Simplify right side
   415,644.50x = 798,252,902,500
5. Step 5: Solve for x
   x = 798,252,902,500/415,644.50
6. Step 6: Final answer
   x = 1,920,518.38