Finding the Third Proportional to 2,197,360 and 5,291,818

Step by Step Solution

1. Step 1: Write the proportion equation
   2,197,360 : 5,291,818 = 5,291,818 : x
2. Step 2: Convert to fraction form
   2,197,360/5,291,818 = 5,291,818/x
3. Step 3: Cross multiply
   2,197,360x = 5,291,818 × 5,291,818
4. Step 4: Simplify right side
   2,197,360x = 28,003,337,745,124
5. Step 5: Solve for x
   x = 28,003,337,745,124/2,197,360
6. Step 6: Final answer
   x = 12,744,082.78