Finding the Third Proportional to 892,638 and 1,359,855

Step by Step Solution

1. Step 1: Write the proportion equation
   892,638 : 1,359,855 = 1,359,855 : x
2. Step 2: Convert to fraction form
   892,638/1,359,855 = 1,359,855/x
3. Step 3: Cross multiply
   892,638x = 1,359,855 × 1,359,855
4. Step 4: Simplify right side
   892,638x = 1,849,205,621,025
5. Step 5: Solve for x
   x = 1,849,205,621,025/892,638
6. Step 6: Final answer
   x = 2,071,618.75