Finding the Third Proportional to 9,829,949 and 21,549,469

Step by Step Solution

1. Step 1: Write the proportion equation
   9,829,949 : 21,549,469 = 21,549,469 : x
2. Step 2: Convert to fraction form
   9,829,949/21,549,469 = 21,549,469/x
3. Step 3: Cross multiply
   9,829,949x = 21,549,469 × 21,549,469
4. Step 4: Simplify right side
   9,829,949x = 464,379,614,181,961
5. Step 5: Solve for x
   x = 464,379,614,181,961/9,829,949
6. Step 6: Final answer
   x = 47,241,304.53