Finding the Third Proportional to 4,422,936 and 9,646,224

Step by Step Solution

1. Step 1: Write the proportion equation
   4,422,936 : 9,646,224 = 9,646,224 : x
2. Step 2: Convert to fraction form
   4,422,936/9,646,224 = 9,646,224/x
3. Step 3: Cross multiply
   4,422,936x = 9,646,224 × 9,646,224
4. Step 4: Simplify right side
   4,422,936x = 93,049,637,458,176
5. Step 5: Solve for x
   x = 93,049,637,458,176/4,422,936
6. Step 6: Final answer
   x = 21,037,979.63