Finding the Third Proportional to 9,777,596 and 21,053,040

Step by Step Solution

1. Step 1: Write the proportion equation
   9,777,596 : 21,053,040 = 21,053,040 : x
2. Step 2: Convert to fraction form
   9,777,596/21,053,040 = 21,053,040/x
3. Step 3: Cross multiply
   9,777,596x = 21,053,040 × 21,053,040
4. Step 4: Simplify right side
   9,777,596x = 443,230,493,241,600
5. Step 5: Solve for x
   x = 443,230,493,241,600/9,777,596
6. Step 6: Final answer
   x = 45,331,234.10