Finding the Third Proportional to 4,548,196 and 9,950,969

Step by Step Solution

1. Step 1: Write the proportion equation
   4,548,196 : 9,950,969 = 9,950,969 : x
2. Step 2: Convert to fraction form
   4,548,196/9,950,969 = 9,950,969/x
3. Step 3: Cross multiply
   4,548,196x = 9,950,969 × 9,950,969
4. Step 4: Simplify right side
   4,548,196x = 99,021,784,038,961
5. Step 5: Solve for x
   x = 99,021,784,038,961/4,548,196
6. Step 6: Final answer
   x = 21,771,661.56