Finding the Third Proportional to 4,659,264 and 9,966,244

Step by Step Solution

1. Step 1: Write the proportion equation
   4,659,264 : 9,966,244 = 9,966,244 : x
2. Step 2: Convert to fraction form
   4,659,264/9,966,244 = 9,966,244/x
3. Step 3: Cross multiply
   4,659,264x = 9,966,244 × 9,966,244
4. Step 4: Simplify right side
   4,659,264x = 99,326,019,467,536
5. Step 5: Solve for x
   x = 99,326,019,467,536/4,659,264
6. Step 6: Final answer
   x = 21,317,963.41