Finding the Third Proportional to 7,139,520 and 10,876,626

Step by Step Solution

1. Step 1: Write the proportion equation
   7,139,520 : 10,876,626 = 10,876,626 : x
2. Step 2: Convert to fraction form
   7,139,520/10,876,626 = 10,876,626/x
3. Step 3: Cross multiply
   7,139,520x = 10,876,626 × 10,876,626
4. Step 4: Simplify right side
   7,139,520x = 118,300,993,143,876
5. Step 5: Solve for x
   x = 118,300,993,143,876/7,139,520
6. Step 6: Final answer
   x = 16,569,880.49