Finding the Third Proportional to 845,850 and 1,245,405

Step by Step Solution

1. Step 1: Write the proportion equation
   845,850 : 1,245,405 = 1,245,405 : x
2. Step 2: Convert to fraction form
   845,850/1,245,405 = 1,245,405/x
3. Step 3: Cross multiply
   845,850x = 1,245,405 × 1,245,405
4. Step 4: Simplify right side
   845,850x = 1,551,033,614,025
5. Step 5: Solve for x
   x = 1,551,033,614,025/845,850
6. Step 6: Final answer
   x = 1,833,698.19