Finding the Third Proportional to 2,564,400 and 4,060,664

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564,400 : 4,060,664 = 4,060,664 : x
2. Step 2: Convert to fraction form
   2,564,400/4,060,664 = 4,060,664/x
3. Step 3: Cross multiply
   2,564,400x = 4,060,664 × 4,060,664
4. Step 4: Simplify right side
   2,564,400x = 16,488,992,120,896
5. Step 5: Solve for x
   x = 16,488,992,120,896/2,564,400
6. Step 6: Final answer
   x = 6,429,961.05