Finding the Third Proportional to 1,260,420 and 1,886,229

Step by Step Solution

1. Step 1: Write the proportion equation
   1,260,420 : 1,886,229 = 1,886,229 : x
2. Step 2: Convert to fraction form
   1,260,420/1,886,229 = 1,886,229/x
3. Step 3: Cross multiply
   1,260,420x = 1,886,229 × 1,886,229
4. Step 4: Simplify right side
   1,260,420x = 3,557,859,840,441
5. Step 5: Solve for x
   x = 3,557,859,840,441/1,260,420
6. Step 6: Final answer
   x = 2,822,757.37