Finding the Third Proportional to 6,978,739 and 10,426,281

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978,739 : 10,426,281 = 10,426,281 : x
2. Step 2: Convert to fraction form
   6,978,739/10,426,281 = 10,426,281/x
3. Step 3: Cross multiply
   6,978,739x = 10,426,281 × 10,426,281
4. Step 4: Simplify right side
   6,978,739x = 108,707,335,490,961
5. Step 5: Solve for x
   x = 108,707,335,490,961/6,978,739
6. Step 6: Final answer
   x = 15,576,930.95