Finding the Third Proportional to 1,378,744 and 2,069,574

Step by Step Solution

1. Step 1: Write the proportion equation
   1,378,744 : 2,069,574 = 2,069,574 : x
2. Step 2: Convert to fraction form
   1,378,744/2,069,574 = 2,069,574/x
3. Step 3: Cross multiply
   1,378,744x = 2,069,574 × 2,069,574
4. Step 4: Simplify right side
   1,378,744x = 4,283,136,541,476
5. Step 5: Solve for x
   x = 4,283,136,541,476/1,378,744
6. Step 6: Final answer
   x = 3,106,549.54