Finding the Third Proportional to 5,162,580 and 10,656,612

Step by Step Solution

1. Step 1: Write the proportion equation
   5,162,580 : 10,656,612 = 10,656,612 : x
2. Step 2: Convert to fraction form
   5,162,580/10,656,612 = 10,656,612/x
3. Step 3: Cross multiply
   5,162,580x = 10,656,612 × 10,656,612
4. Step 4: Simplify right side
   5,162,580x = 113,563,379,318,544
5. Step 5: Solve for x
   x = 113,563,379,318,544/5,162,580
6. Step 6: Final answer
   x = 21,997,408.14