Finding the Third Proportional to 845,866 and 1,245,435

Step by Step Solution

1. Step 1: Write the proportion equation
   845,866 : 1,245,435 = 1,245,435 : x
2. Step 2: Convert to fraction form
   845,866/1,245,435 = 1,245,435/x
3. Step 3: Cross multiply
   845,866x = 1,245,435 × 1,245,435
4. Step 4: Simplify right side
   845,866x = 1,551,108,339,225
5. Step 5: Solve for x
   x = 1,551,108,339,225/845,866
6. Step 6: Final answer
   x = 1,833,751.85