Finding the Third Proportional to 6,508,721 and 13,996,978

Step by Step Solution

1. Step 1: Write the proportion equation
   6,508,721 : 13,996,978 = 13,996,978 : x
2. Step 2: Convert to fraction form
   6,508,721/13,996,978 = 13,996,978/x
3. Step 3: Cross multiply
   6,508,721x = 13,996,978 × 13,996,978
4. Step 4: Simplify right side
   6,508,721x = 195,915,393,132,484
5. Step 5: Solve for x
   x = 195,915,393,132,484/6,508,721
6. Step 6: Final answer
   x = 30,100,444.18