Finding the Third Proportional to 3,342,924 and 7,217,856

Step by Step Solution

1. Step 1: Write the proportion equation
   3,342,924 : 7,217,856 = 7,217,856 : x
2. Step 2: Convert to fraction form
   3,342,924/7,217,856 = 7,217,856/x
3. Step 3: Cross multiply
   3,342,924x = 7,217,856 × 7,217,856
4. Step 4: Simplify right side
   3,342,924x = 52,097,445,236,736
5. Step 5: Solve for x
   x = 52,097,445,236,736/3,342,924
6. Step 6: Final answer
   x = 15,584,394.15