Finding the Third Proportional to 3,538,761 and 7,739,872

Step by Step Solution

1. Step 1: Write the proportion equation
   3,538,761 : 7,739,872 = 7,739,872 : x
2. Step 2: Convert to fraction form
   3,538,761/7,739,872 = 7,739,872/x
3. Step 3: Cross multiply
   3,538,761x = 7,739,872 × 7,739,872
4. Step 4: Simplify right side
   3,538,761x = 59,905,618,576,384
5. Step 5: Solve for x
   x = 59,905,618,576,384/3,538,761
6. Step 6: Final answer
   x = 16,928,416.07