Finding the Third Proportional to 4,320,460 and 9,454,616

Step by Step Solution

1. Step 1: Write the proportion equation
   4,320,460 : 9,454,616 = 9,454,616 : x
2. Step 2: Convert to fraction form
   4,320,460/9,454,616 = 9,454,616/x
3. Step 3: Cross multiply
   4,320,460x = 9,454,616 × 9,454,616
4. Step 4: Simplify right side
   4,320,460x = 89,389,763,707,456
5. Step 5: Solve for x
   x = 89,389,763,707,456/4,320,460
6. Step 6: Final answer
   x = 20,689,871.84