Finding the Third Proportional to 2,912,139 and 4,408,929

Step by Step Solution

1. Step 1: Write the proportion equation
   2,912,139 : 4,408,929 = 4,408,929 : x
2. Step 2: Convert to fraction form
   2,912,139/4,408,929 = 4,408,929/x
3. Step 3: Cross multiply
   2,912,139x = 4,408,929 × 4,408,929
4. Step 4: Simplify right side
   2,912,139x = 19,438,654,927,041
5. Step 5: Solve for x
   x = 19,438,654,927,041/2,912,139
6. Step 6: Final answer
   x = 6,675,043.65