Finding the Third Proportional to 21,686,636 and 45,609,760

Step by Step Solution

1. Step 1: Write the proportion equation
   21,686,636 : 45,609,760 = 45,609,760 : x
2. Step 2: Convert to fraction form
   21,686,636/45,609,760 = 45,609,760/x
3. Step 3: Cross multiply
   21,686,636x = 45,609,760 × 45,609,760
4. Step 4: Simplify right side
   21,686,636x = 2,080,250,207,257,600
5. Step 5: Solve for x
   x = 2,080,250,207,257,600/21,686,636
6. Step 6: Final answer
   x = 95,923,139.36