Finding the Third Proportional to 917,786 and 1,968,427

Step by Step Solution

1. Step 1: Write the proportion equation
   917,786 : 1,968,427 = 1,968,427 : x
2. Step 2: Convert to fraction form
   917,786/1,968,427 = 1,968,427/x
3. Step 3: Cross multiply
   917,786x = 1,968,427 × 1,968,427
4. Step 4: Simplify right side
   917,786x = 3,874,704,854,329
5. Step 5: Solve for x
   x = 3,874,704,854,329/917,786
6. Step 6: Final answer
   x = 4,221,795.55