Finding the Third Proportional to 1,611,090 and 2,258,442

Step by Step Solution

1. Step 1: Write the proportion equation
   1,611,090 : 2,258,442 = 2,258,442 : x
2. Step 2: Convert to fraction form
   1,611,090/2,258,442 = 2,258,442/x
3. Step 3: Cross multiply
   1,611,090x = 2,258,442 × 2,258,442
4. Step 4: Simplify right side
   1,611,090x = 5,100,560,267,364
5. Step 5: Solve for x
   x = 5,100,560,267,364/1,611,090
6. Step 6: Final answer
   x = 3,165,906.48