Finding the Third Proportional to 5,381,336 and 7,864,806

Step by Step Solution

1. Step 1: Write the proportion equation
   5,381,336 : 7,864,806 = 7,864,806 : x
2. Step 2: Convert to fraction form
   5,381,336/7,864,806 = 7,864,806/x
3. Step 3: Cross multiply
   5,381,336x = 7,864,806 × 7,864,806
4. Step 4: Simplify right side
   5,381,336x = 61,855,173,417,636
5. Step 5: Solve for x
   x = 61,855,173,417,636/5,381,336
6. Step 6: Final answer
   x = 11,494,389.76