Finding the Third Proportional to 2,564,290 and 4,060,488

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564,290 : 4,060,488 = 4,060,488 : x
2. Step 2: Convert to fraction form
   2,564,290/4,060,488 = 4,060,488/x
3. Step 3: Cross multiply
   2,564,290x = 4,060,488 × 4,060,488
4. Step 4: Simplify right side
   2,564,290x = 16,487,562,798,144
5. Step 5: Solve for x
   x = 16,487,562,798,144/2,564,290
6. Step 6: Final answer
   x = 6,429,679.48