Finding the Third Proportional to 9,829,944 and 21,549,456

Step by Step Solution

1. Step 1: Write the proportion equation
   9,829,944 : 21,549,456 = 21,549,456 : x
2. Step 2: Convert to fraction form
   9,829,944/21,549,456 = 21,549,456/x
3. Step 3: Cross multiply
   9,829,944x = 21,549,456 × 21,549,456
4. Step 4: Simplify right side
   9,829,944x = 464,379,053,895,936
5. Step 5: Solve for x
   x = 464,379,053,895,936/9,829,944
6. Step 6: Final answer
   x = 47,241,271.56