Finding the Third Proportional to 2,660,376 and 5,818,416

Step by Step Solution

1. Step 1: Write the proportion equation
   2,660,376 : 5,818,416 = 5,818,416 : x
2. Step 2: Convert to fraction form
   2,660,376/5,818,416 = 5,818,416/x
3. Step 3: Cross multiply
   2,660,376x = 5,818,416 × 5,818,416
4. Step 4: Simplify right side
   2,660,376x = 33,853,964,749,056
5. Step 5: Solve for x
   x = 33,853,964,749,056/2,660,376
6. Step 6: Final answer
   x = 12,725,255.66