Finding the Third Proportional to 2,564,394 and 4,060,656

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564,394 : 4,060,656 = 4,060,656 : x
2. Step 2: Convert to fraction form
   2,564,394/4,060,656 = 4,060,656/x
3. Step 3: Cross multiply
   2,564,394x = 4,060,656 × 4,060,656
4. Step 4: Simplify right side
   2,564,394x = 16,488,927,150,336
5. Step 5: Solve for x
   x = 16,488,927,150,336/2,564,394
6. Step 6: Final answer
   x = 6,429,950.76