Finding the Third Proportional to 2,564,311 and 4,060,520

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564,311 : 4,060,520 = 4,060,520 : x
2. Step 2: Convert to fraction form
   2,564,311/4,060,520 = 4,060,520/x
3. Step 3: Cross multiply
   2,564,311x = 4,060,520 × 4,060,520
4. Step 4: Simplify right side
   2,564,311x = 16,487,822,670,400
5. Step 5: Solve for x
   x = 16,487,822,670,400/2,564,311
6. Step 6: Final answer
   x = 6,429,728.17