Finding the Third Proportional to 1,276,658 and 1,890,337

Step by Step Solution

1. Step 1: Write the proportion equation
   1,276,658 : 1,890,337 = 1,890,337 : x
2. Step 2: Convert to fraction form
   1,276,658/1,890,337 = 1,890,337/x
3. Step 3: Cross multiply
   1,276,658x = 1,890,337 × 1,890,337
4. Step 4: Simplify right side
   1,276,658x = 3,573,373,973,569
5. Step 5: Solve for x
   x = 3,573,373,973,569/1,276,658
6. Step 6: Final answer
   x = 2,799,006.45