Finding the Third Proportional to 5,612,581 and 8,208,919

Step by Step Solution

1. Step 1: Write the proportion equation
   5,612,581 : 8,208,919 = 8,208,919 : x
2. Step 2: Convert to fraction form
   5,612,581/8,208,919 = 8,208,919/x
3. Step 3: Cross multiply
   5,612,581x = 8,208,919 × 8,208,919
4. Step 4: Simplify right side
   5,612,581x = 67,386,351,148,561
5. Step 5: Solve for x
   x = 67,386,351,148,561/5,612,581
6. Step 6: Final answer
   x = 12,006,303.54