Finding the Third Proportional to 1,057,636 and 1,611,240

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057,636 : 1,611,240 = 1,611,240 : x
2. Step 2: Convert to fraction form
   1,057,636/1,611,240 = 1,611,240/x
3. Step 3: Cross multiply
   1,057,636x = 1,611,240 × 1,611,240
4. Step 4: Simplify right side
   1,057,636x = 2,596,094,337,600
5. Step 5: Solve for x
   x = 2,596,094,337,600/1,057,636
6. Step 6: Final answer
   x = 2,454,619.87