Finding the Third Proportional to 4,800,008 and 10,139,584

Step by Step Solution

1. Step 1: Write the proportion equation
   4,800,008 : 10,139,584 = 10,139,584 : x
2. Step 2: Convert to fraction form
   4,800,008/10,139,584 = 10,139,584/x
3. Step 3: Cross multiply
   4,800,008x = 10,139,584 × 10,139,584
4. Step 4: Simplify right side
   4,800,008x = 102,811,163,693,056
5. Step 5: Solve for x
   x = 102,811,163,693,056/4,800,008
6. Step 6: Final answer
   x = 21,418,956.74