Finding the Third Proportional to 1,286,574 and 1,892,438

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,574 : 1,892,438 = 1,892,438 : x
2. Step 2: Convert to fraction form
   1,286,574/1,892,438 = 1,892,438/x
3. Step 3: Cross multiply
   1,286,574x = 1,892,438 × 1,892,438
4. Step 4: Simplify right side
   1,286,574x = 3,581,321,583,844
5. Step 5: Solve for x
   x = 3,581,321,583,844/1,286,574
6. Step 6: Final answer
   x = 2,783,611.04