Finding the Third Proportional to 2,680,473 and 5,780,818

Step by Step Solution

1. Step 1: Write the proportion equation
   2,680,473 : 5,780,818 = 5,780,818 : x
2. Step 2: Convert to fraction form
   2,680,473/5,780,818 = 5,780,818/x
3. Step 3: Cross multiply
   2,680,473x = 5,780,818 × 5,780,818
4. Step 4: Simplify right side
   2,680,473x = 33,417,856,749,124
5. Step 5: Solve for x
   x = 33,417,856,749,124/2,680,473
6. Step 6: Final answer
   x = 12,467,149.17