Finding the Third Proportional to 4,548,264 and 9,951,072

Step by Step Solution

1. Step 1: Write the proportion equation
   4,548,264 : 9,951,072 = 9,951,072 : x
2. Step 2: Convert to fraction form
   4,548,264/9,951,072 = 9,951,072/x
3. Step 3: Cross multiply
   4,548,264x = 9,951,072 × 9,951,072
4. Step 4: Simplify right side
   4,548,264x = 99,023,833,949,184
5. Step 5: Solve for x
   x = 99,023,833,949,184/4,548,264
6. Step 6: Final answer
   x = 21,771,786.76