Finding the Third Proportional to 7,078,779 and 10,931,105

Step by Step Solution

1. Step 1: Write the proportion equation
   7,078,779 : 10,931,105 = 10,931,105 : x
2. Step 2: Convert to fraction form
   7,078,779/10,931,105 = 10,931,105/x
3. Step 3: Cross multiply
   7,078,779x = 10,931,105 × 10,931,105
4. Step 4: Simplify right side
   7,078,779x = 119,489,056,521,025
5. Step 5: Solve for x
   x = 119,489,056,521,025/7,078,779
6. Step 6: Final answer
   x = 16,879,896.45