Finding the Third Proportional to 21,686,674 and 45,609,836

Step by Step Solution

1. Step 1: Write the proportion equation
   21,686,674 : 45,609,836 = 45,609,836 : x
2. Step 2: Convert to fraction form
   21,686,674/45,609,836 = 45,609,836/x
3. Step 3: Cross multiply
   21,686,674x = 45,609,836 × 45,609,836
4. Step 4: Simplify right side
   21,686,674x = 2,080,257,139,946,896
5. Step 5: Solve for x
   x = 2,080,257,139,946,896/21,686,674
6. Step 6: Final answer
   x = 95,923,290.95