Finding the Third Proportional to 4,604,310 and 9,685,872

Step by Step Solution

1. Step 1: Write the proportion equation
   4,604,310 : 9,685,872 = 9,685,872 : x
2. Step 2: Convert to fraction form
   4,604,310/9,685,872 = 9,685,872/x
3. Step 3: Cross multiply
   4,604,310x = 9,685,872 × 9,685,872
4. Step 4: Simplify right side
   4,604,310x = 93,816,116,400,384
5. Step 5: Solve for x
   x = 93,816,116,400,384/4,604,310
6. Step 6: Final answer
   x = 20,375,716.75