Finding the Third Proportional to 3,418,644 and 7,294,940

Step by Step Solution

1. Step 1: Write the proportion equation
   3,418,644 : 7,294,940 = 7,294,940 : x
2. Step 2: Convert to fraction form
   3,418,644/7,294,940 = 7,294,940/x
3. Step 3: Cross multiply
   3,418,644x = 7,294,940 × 7,294,940
4. Step 4: Simplify right side
   3,418,644x = 53,216,149,603,600
5. Step 5: Solve for x
   x = 53,216,149,603,600/3,418,644
6. Step 6: Final answer
   x = 15,566,449.62