Finding the Third Proportional to 2,564,402 and 4,060,668

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564,402 : 4,060,668 = 4,060,668 : x
2. Step 2: Convert to fraction form
   2,564,402/4,060,668 = 4,060,668/x
3. Step 3: Cross multiply
   2,564,402x = 4,060,668 × 4,060,668
4. Step 4: Simplify right side
   2,564,402x = 16,489,024,606,224
5. Step 5: Solve for x
   x = 16,489,024,606,224/2,564,402
6. Step 6: Final answer
   x = 6,429,968.70