Finding the Third Proportional to 5,235,678 and 7,681,149

Step by Step Solution

1. Step 1: Write the proportion equation
   5,235,678 : 7,681,149 = 7,681,149 : x
2. Step 2: Convert to fraction form
   5,235,678/7,681,149 = 7,681,149/x
3. Step 3: Cross multiply
   5,235,678x = 7,681,149 × 7,681,149
4. Step 4: Simplify right side
   5,235,678x = 59,000,049,960,201
5. Step 5: Solve for x
   x = 59,000,049,960,201/5,235,678
6. Step 6: Final answer
   x = 11,268,846.17