Finding the Third Proportional to 4,518,496 and 9,946,784

Step by Step Solution

1. Step 1: Write the proportion equation
   4,518,496 : 9,946,784 = 9,946,784 : x
2. Step 2: Convert to fraction form
   4,518,496/9,946,784 = 9,946,784/x
3. Step 3: Cross multiply
   4,518,496x = 9,946,784 × 9,946,784
4. Step 4: Simplify right side
   4,518,496x = 98,938,511,942,656
5. Step 5: Solve for x
   x = 98,938,511,942,656/4,518,496
6. Step 6: Final answer
   x = 21,896,337.18