Finding the Third Proportional to 10,258,344 and 21,889,656

Step by Step Solution

1. Step 1: Write the proportion equation
   10,258,344 : 21,889,656 = 21,889,656 : x
2. Step 2: Convert to fraction form
   10,258,344/21,889,656 = 21,889,656/x
3. Step 3: Cross multiply
   10,258,344x = 21,889,656 × 21,889,656
4. Step 4: Simplify right side
   10,258,344x = 479,157,039,798,336
5. Step 5: Solve for x
   x = 479,157,039,798,336/10,258,344
6. Step 6: Final answer
   x = 46,709,004.86