Finding the Third Proportional to 2,864,358 and 4,015,257

Step by Step Solution

1. Step 1: Write the proportion equation
   2,864,358 : 4,015,257 = 4,015,257 : x
2. Step 2: Convert to fraction form
   2,864,358/4,015,257 = 4,015,257/x
3. Step 3: Cross multiply
   2,864,358x = 4,015,257 × 4,015,257
4. Step 4: Simplify right side
   2,864,358x = 16,122,288,776,049
5. Step 5: Solve for x
   x = 16,122,288,776,049/2,864,358
6. Step 6: Final answer
   x = 5,628,587.20