Finding the Third Proportional to 6,318,656 and 13,644,142

Step by Step Solution

1. Step 1: Write the proportion equation
   6,318,656 : 13,644,142 = 13,644,142 : x
2. Step 2: Convert to fraction form
   6,318,656/13,644,142 = 13,644,142/x
3. Step 3: Cross multiply
   6,318,656x = 13,644,142 × 13,644,142
4. Step 4: Simplify right side
   6,318,656x = 186,162,610,916,164
5. Step 5: Solve for x
   x = 186,162,610,916,164/6,318,656
6. Step 6: Final answer
   x = 29,462,374.74