Finding the Third Proportional to 2,897,990 and 4,258,373

Step by Step Solution

1. Step 1: Write the proportion equation
   2,897,990 : 4,258,373 = 4,258,373 : x
2. Step 2: Convert to fraction form
   2,897,990/4,258,373 = 4,258,373/x
3. Step 3: Cross multiply
   2,897,990x = 4,258,373 × 4,258,373
4. Step 4: Simplify right side
   2,897,990x = 18,133,740,607,129
5. Step 5: Solve for x
   x = 18,133,740,607,129/2,897,990
6. Step 6: Final answer
   x = 6,257,350.99