Finding the Third Proportional to 2,564,397 and 4,060,661

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564,397 : 4,060,661 = 4,060,661 : x
2. Step 2: Convert to fraction form
   2,564,397/4,060,661 = 4,060,661/x
3. Step 3: Cross multiply
   2,564,397x = 4,060,661 × 4,060,661
4. Step 4: Simplify right side
   2,564,397x = 16,488,967,756,921
5. Step 5: Solve for x
   x = 16,488,967,756,921/2,564,397
6. Step 6: Final answer
   x = 6,429,959.07