Finding the Third Proportional to 4,599,208 and 9,675,128

Step by Step Solution

1. Step 1: Write the proportion equation
   4,599,208 : 9,675,128 = 9,675,128 : x
2. Step 2: Convert to fraction form
   4,599,208/9,675,128 = 9,675,128/x
3. Step 3: Cross multiply
   4,599,208x = 9,675,128 × 9,675,128
4. Step 4: Simplify right side
   4,599,208x = 93,608,101,816,384
5. Step 5: Solve for x
   x = 93,608,101,816,384/4,599,208
6. Step 6: Final answer
   x = 20,353,091.62