Finding the Third Proportional to 3,342,926 and 7,217,860

Step by Step Solution

1. Step 1: Write the proportion equation
   3,342,926 : 7,217,860 = 7,217,860 : x
2. Step 2: Convert to fraction form
   3,342,926/7,217,860 = 7,217,860/x
3. Step 3: Cross multiply
   3,342,926x = 7,217,860 × 7,217,860
4. Step 4: Simplify right side
   3,342,926x = 52,097,502,979,600
5. Step 5: Solve for x
   x = 52,097,502,979,600/3,342,926
6. Step 6: Final answer
   x = 15,584,402.10