Finding the Third Proportional to 4,521,916 and 9,698,960

Step by Step Solution

1. Step 1: Write the proportion equation
   4,521,916 : 9,698,960 = 9,698,960 : x
2. Step 2: Convert to fraction form
   4,521,916/9,698,960 = 9,698,960/x
3. Step 3: Cross multiply
   4,521,916x = 9,698,960 × 9,698,960
4. Step 4: Simplify right side
   4,521,916x = 94,069,825,081,600
5. Step 5: Solve for x
   x = 94,069,825,081,600/4,521,916
6. Step 6: Final answer
   x = 20,803,089.90