Finding the Third Proportional to 1,266,442 and 2,584,560

Step by Step Solution

1. Step 1: Write the proportion equation
   1,266,442 : 2,584,560 = 2,584,560 : x
2. Step 2: Convert to fraction form
   1,266,442/2,584,560 = 2,584,560/x
3. Step 3: Cross multiply
   1,266,442x = 2,584,560 × 2,584,560
4. Step 4: Simplify right side
   1,266,442x = 6,679,950,393,600
5. Step 5: Solve for x
   x = 6,679,950,393,600/1,266,442
6. Step 6: Final answer
   x = 5,274,580.59