Finding the Third Proportional to 9,644,796 and 13,134,555

Step by Step Solution

1. Step 1: Write the proportion equation
   9,644,796 : 13,134,555 = 13,134,555 : x
2. Step 2: Convert to fraction form
   9,644,796/13,134,555 = 13,134,555/x
3. Step 3: Cross multiply
   9,644,796x = 13,134,555 × 13,134,555
4. Step 4: Simplify right side
   9,644,796x = 172,516,535,048,025
5. Step 5: Solve for x
   x = 172,516,535,048,025/9,644,796
6. Step 6: Final answer
   x = 17,887,007.15