Finding the Third Proportional to 986,258 and 2,124,436

Step by Step Solution

1. Step 1: Write the proportion equation
   986,258 : 2,124,436 = 2,124,436 : x
2. Step 2: Convert to fraction form
   986,258/2,124,436 = 2,124,436/x
3. Step 3: Cross multiply
   986,258x = 2,124,436 × 2,124,436
4. Step 4: Simplify right side
   986,258x = 4,513,228,318,096
5. Step 5: Solve for x
   x = 4,513,228,318,096/986,258
6. Step 6: Final answer
   x = 4,576,113.27