Finding the Third Proportional to 4,553,385 and 9,696,666

Step by Step Solution

1. Step 1: Write the proportion equation
   4,553,385 : 9,696,666 = 9,696,666 : x
2. Step 2: Convert to fraction form
   4,553,385/9,696,666 = 9,696,666/x
3. Step 3: Cross multiply
   4,553,385x = 9,696,666 × 9,696,666
4. Step 4: Simplify right side
   4,553,385x = 94,025,331,515,556
5. Step 5: Solve for x
   x = 94,025,331,515,556/4,553,385
6. Step 6: Final answer
   x = 20,649,545.67