Finding the Third Proportional to 5,870,858 and 8,267,446

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870,858 : 8,267,446 = 8,267,446 : x
2. Step 2: Convert to fraction form
   5,870,858/8,267,446 = 8,267,446/x
3. Step 3: Cross multiply
   5,870,858x = 8,267,446 × 8,267,446
4. Step 4: Simplify right side
   5,870,858x = 68,350,663,362,916
5. Step 5: Solve for x
   x = 68,350,663,362,916/5,870,858
6. Step 6: Final answer
   x = 11,642,363.58