Finding the Third Proportional to 2,838,903 and 4,257,312

Step by Step Solution

1. Step 1: Write the proportion equation
   2,838,903 : 4,257,312 = 4,257,312 : x
2. Step 2: Convert to fraction form
   2,838,903/4,257,312 = 4,257,312/x
3. Step 3: Cross multiply
   2,838,903x = 4,257,312 × 4,257,312
4. Step 4: Simplify right side
   2,838,903x = 18,124,705,465,344
5. Step 5: Solve for x
   x = 18,124,705,465,344/2,838,903
6. Step 6: Final answer
   x = 6,384,404.63