Finding the Third Proportional to 4,666,484 and 9,656,648

Step by Step Solution

1. Step 1: Write the proportion equation
   4,666,484 : 9,656,648 = 9,656,648 : x
2. Step 2: Convert to fraction form
   4,666,484/9,656,648 = 9,656,648/x
3. Step 3: Cross multiply
   4,666,484x = 9,656,648 × 9,656,648
4. Step 4: Simplify right side
   4,666,484x = 93,250,850,595,904
5. Step 5: Solve for x
   x = 93,250,850,595,904/4,666,484
6. Step 6: Final answer
   x = 19,983,107.32