Finding the Third Proportional to 7,078,146 and 10,675,215

Step by Step Solution

1. Step 1: Write the proportion equation
   7,078,146 : 10,675,215 = 10,675,215 : x
2. Step 2: Convert to fraction form
   7,078,146/10,675,215 = 10,675,215/x
3. Step 3: Cross multiply
   7,078,146x = 10,675,215 × 10,675,215
4. Step 4: Simplify right side
   7,078,146x = 113,960,215,296,225
5. Step 5: Solve for x
   x = 113,960,215,296,225/7,078,146
6. Step 6: Final answer
   x = 16,100,291.70