Finding the Third Proportional to 5,919,324 and 8,879,778

Step by Step Solution

1. Step 1: Write the proportion equation
   5,919,324 : 8,879,778 = 8,879,778 : x
2. Step 2: Convert to fraction form
   5,919,324/8,879,778 = 8,879,778/x
3. Step 3: Cross multiply
   5,919,324x = 8,879,778 × 8,879,778
4. Step 4: Simplify right side
   5,919,324x = 78,850,457,329,284
5. Step 5: Solve for x
   x = 78,850,457,329,284/5,919,324
6. Step 6: Final answer
   x = 13,320,855.11