Finding the Third Proportional to 1,057,648 and 1,611,256

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057,648 : 1,611,256 = 1,611,256 : x
2. Step 2: Convert to fraction form
   1,057,648/1,611,256 = 1,611,256/x
3. Step 3: Cross multiply
   1,057,648x = 1,611,256 × 1,611,256
4. Step 4: Simplify right side
   1,057,648x = 2,596,145,897,536
5. Step 5: Solve for x
   x = 2,596,145,897,536/1,057,648
6. Step 6: Final answer
   x = 2,454,640.77