Finding the Third Proportional to 7,139,544 and 10,876,661

Step by Step Solution

1. Step 1: Write the proportion equation
   7,139,544 : 10,876,661 = 10,876,661 : x
2. Step 2: Convert to fraction form
   7,139,544/10,876,661 = 10,876,661/x
3. Step 3: Cross multiply
   7,139,544x = 10,876,661 × 10,876,661
4. Step 4: Simplify right side
   7,139,544x = 118,301,754,508,921
5. Step 5: Solve for x
   x = 118,301,754,508,921/7,139,544
6. Step 6: Final answer
   x = 16,569,931.43