Finding the Third Proportional to 9,770,208 and 21,166,752

Step by Step Solution

1. Step 1: Write the proportion equation
   9,770,208 : 21,166,752 = 21,166,752 : x
2. Step 2: Convert to fraction form
   9,770,208/21,166,752 = 21,166,752/x
3. Step 3: Cross multiply
   9,770,208x = 21,166,752 × 21,166,752
4. Step 4: Simplify right side
   9,770,208x = 448,031,390,229,504
5. Step 5: Solve for x
   x = 448,031,390,229,504/9,770,208
6. Step 6: Final answer
   x = 45,856,893.76