Finding the Third Proportional to 982,890 and 2,158,506

Step by Step Solution

1. Step 1: Write the proportion equation
   982,890 : 2,158,506 = 2,158,506 : x
2. Step 2: Convert to fraction form
   982,890/2,158,506 = 2,158,506/x
3. Step 3: Cross multiply
   982,890x = 2,158,506 × 2,158,506
4. Step 4: Simplify right side
   982,890x = 4,659,148,152,036
5. Step 5: Solve for x
   x = 4,659,148,152,036/982,890
6. Step 6: Final answer
   x = 4,740,253.90