Finding the Third Proportional to 2,564,395 and 4,060,658

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564,395 : 4,060,658 = 4,060,658 : x
2. Step 2: Convert to fraction form
   2,564,395/4,060,658 = 4,060,658/x
3. Step 3: Cross multiply
   2,564,395x = 4,060,658 × 4,060,658
4. Step 4: Simplify right side
   2,564,395x = 16,488,943,392,964
5. Step 5: Solve for x
   x = 16,488,943,392,964/2,564,395
6. Step 6: Final answer
   x = 6,429,954.59