Finding the Third Proportional to 4,659,754 and 9,967,356

Step by Step Solution

1. Step 1: Write the proportion equation
   4,659,754 : 9,967,356 = 9,967,356 : x
2. Step 2: Convert to fraction form
   4,659,754/9,967,356 = 9,967,356/x
3. Step 3: Cross multiply
   4,659,754x = 9,967,356 × 9,967,356
4. Step 4: Simplify right side
   4,659,754x = 99,348,185,630,736
5. Step 5: Solve for x
   x = 99,348,185,630,736/4,659,754
6. Step 6: Final answer
   x = 21,320,478.64