Finding the Third Proportional to 7,078,781 and 10,931,108

Step by Step Solution

1. Step 1: Write the proportion equation
   7,078,781 : 10,931,108 = 10,931,108 : x
2. Step 2: Convert to fraction form
   7,078,781/10,931,108 = 10,931,108/x
3. Step 3: Cross multiply
   7,078,781x = 10,931,108 × 10,931,108
4. Step 4: Simplify right side
   7,078,781x = 119,489,122,107,664
5. Step 5: Solve for x
   x = 119,489,122,107,664/7,078,781
6. Step 6: Final answer
   x = 16,879,900.95