Finding the Third Proportional to 5,399,982 and 11,406,978

Step by Step Solution

1. Step 1: Write the proportion equation
   5,399,982 : 11,406,978 = 11,406,978 : x
2. Step 2: Convert to fraction form
   5,399,982/11,406,978 = 11,406,978/x
3. Step 3: Cross multiply
   5,399,982x = 11,406,978 × 11,406,978
4. Step 4: Simplify right side
   5,399,982x = 130,119,147,092,484
5. Step 5: Solve for x
   x = 130,119,147,092,484/5,399,982
6. Step 6: Final answer
   x = 24,096,218.67