Finding the Third Proportional to 4,494,667 and 9,828,791

Step by Step Solution

1. Step 1: Write the proportion equation
   4,494,667 : 9,828,791 = 9,828,791 : x
2. Step 2: Convert to fraction form
   4,494,667/9,828,791 = 9,828,791/x
3. Step 3: Cross multiply
   4,494,667x = 9,828,791 × 9,828,791
4. Step 4: Simplify right side
   4,494,667x = 96,605,132,521,681
5. Step 5: Solve for x
   x = 96,605,132,521,681/4,494,667
6. Step 6: Final answer
   x = 21,493,279.15