Finding the Third Proportional to 7,139,540 and 10,876,655

Step by Step Solution

1. Step 1: Write the proportion equation
   7,139,540 : 10,876,655 = 10,876,655 : x
2. Step 2: Convert to fraction form
   7,139,540/10,876,655 = 10,876,655/x
3. Step 3: Cross multiply
   7,139,540x = 10,876,655 × 10,876,655
4. Step 4: Simplify right side
   7,139,540x = 118,301,623,989,025
5. Step 5: Solve for x
   x = 118,301,623,989,025/7,139,540
6. Step 6: Final answer
   x = 16,569,922.43