Finding the Third Proportional to 7,139,424 and 10,876,530

Step by Step Solution

1. Step 1: Write the proportion equation
   7,139,424 : 10,876,530 = 10,876,530 : x
2. Step 2: Convert to fraction form
   7,139,424/10,876,530 = 10,876,530/x
3. Step 3: Cross multiply
   7,139,424x = 10,876,530 × 10,876,530
4. Step 4: Simplify right side
   7,139,424x = 118,298,904,840,900
5. Step 5: Solve for x
   x = 118,298,904,840,900/7,139,424
6. Step 6: Final answer
   x = 16,569,810.79