Finding the Third Proportional to 2,609,242 and 5,291,880

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609,242 : 5,291,880 = 5,291,880 : x
2. Step 2: Convert to fraction form
   2,609,242/5,291,880 = 5,291,880/x
3. Step 3: Cross multiply
   2,609,242x = 5,291,880 × 5,291,880
4. Step 4: Simplify right side
   2,609,242x = 28,003,993,934,400
5. Step 5: Solve for x
   x = 28,003,993,934,400/2,609,242
6. Step 6: Final answer
   x = 10,732,616.57