Finding the Third Proportional to 5,870,972 and 8,267,619

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870,972 : 8,267,619 = 8,267,619 : x
2. Step 2: Convert to fraction form
   5,870,972/8,267,619 = 8,267,619/x
3. Step 3: Cross multiply
   5,870,972x = 8,267,619 × 8,267,619
4. Step 4: Simplify right side
   5,870,972x = 68,353,523,929,161
5. Step 5: Solve for x
   x = 68,353,523,929,161/5,870,972
6. Step 6: Final answer
   x = 11,642,624.75