Finding the Third Proportional to 1,253,570 and 1,909,747

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253,570 : 1,909,747 = 1,909,747 : x
2. Step 2: Convert to fraction form
   1,253,570/1,909,747 = 1,909,747/x
3. Step 3: Cross multiply
   1,253,570x = 1,909,747 × 1,909,747
4. Step 4: Simplify right side
   1,253,570x = 3,647,133,604,009
5. Step 5: Solve for x
   x = 3,647,133,604,009/1,253,570
6. Step 6: Final answer
   x = 2,909,397.64