Finding the Third Proportional to 917,790 and 1,968,437

Step by Step Solution

1. Step 1: Write the proportion equation
   917,790 : 1,968,437 = 1,968,437 : x
2. Step 2: Convert to fraction form
   917,790/1,968,437 = 1,968,437/x
3. Step 3: Cross multiply
   917,790x = 1,968,437 × 1,968,437
4. Step 4: Simplify right side
   917,790x = 3,874,744,222,969
5. Step 5: Solve for x
   x = 3,874,744,222,969/917,790
6. Step 6: Final answer
   x = 4,221,820.05