Finding the Third Proportional to 6,429,408 and 9,726,768

Step by Step Solution

1. Step 1: Write the proportion equation
   6,429,408 : 9,726,768 = 9,726,768 : x
2. Step 2: Convert to fraction form
   6,429,408/9,726,768 = 9,726,768/x
3. Step 3: Cross multiply
   6,429,408x = 9,726,768 × 9,726,768
4. Step 4: Simplify right side
   6,429,408x = 94,610,015,725,824
5. Step 5: Solve for x
   x = 94,610,015,725,824/6,429,408
6. Step 6: Final answer
   x = 14,715,198.62