Finding the Third Proportional to 5,666,320 and 8,546,919

Step by Step Solution

1. Step 1: Write the proportion equation
   5,666,320 : 8,546,919 = 8,546,919 : x
2. Step 2: Convert to fraction form
   5,666,320/8,546,919 = 8,546,919/x
3. Step 3: Cross multiply
   5,666,320x = 8,546,919 × 8,546,919
4. Step 4: Simplify right side
   5,666,320x = 73,049,824,392,561
5. Step 5: Solve for x
   x = 73,049,824,392,561/5,666,320
6. Step 6: Final answer
   x = 12,891,934.16