Finding the Third Proportional to 9,793,556 and 21,003,816

Step by Step Solution

1. Step 1: Write the proportion equation
   9,793,556 : 21,003,816 = 21,003,816 : x
2. Step 2: Convert to fraction form
   9,793,556/21,003,816 = 21,003,816/x
3. Step 3: Cross multiply
   9,793,556x = 21,003,816 × 21,003,816
4. Step 4: Simplify right side
   9,793,556x = 441,160,286,561,856
5. Step 5: Solve for x
   x = 441,160,286,561,856/9,793,556
6. Step 6: Final answer
   x = 45,045,975.80