Finding the Third Proportional to 2,580,491 and 3,609,178

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580,491 : 3,609,178 = 3,609,178 : x
2. Step 2: Convert to fraction form
   2,580,491/3,609,178 = 3,609,178/x
3. Step 3: Cross multiply
   2,580,491x = 3,609,178 × 3,609,178
4. Step 4: Simplify right side
   2,580,491x = 13,026,165,835,684
5. Step 5: Solve for x
   x = 13,026,165,835,684/2,580,491
6. Step 6: Final answer
   x = 5,047,940.81