Finding the Third Proportional to 917,028 and 2,020,680

Step by Step Solution

1. Step 1: Write the proportion equation
   917,028 : 2,020,680 = 2,020,680 : x
2. Step 2: Convert to fraction form
   917,028/2,020,680 = 2,020,680/x
3. Step 3: Cross multiply
   917,028x = 2,020,680 × 2,020,680
4. Step 4: Simplify right side
   917,028x = 4,083,147,662,400
5. Step 5: Solve for x
   x = 4,083,147,662,400/917,028
6. Step 6: Final answer
   x = 4,452,587.78