Finding the Third Proportional to 21,199,768 and 45,756,824

Step by Step Solution

1. Step 1: Write the proportion equation
   21,199,768 : 45,756,824 = 45,756,824 : x
2. Step 2: Convert to fraction form
   21,199,768/45,756,824 = 45,756,824/x
3. Step 3: Cross multiply
   21,199,768x = 45,756,824 × 45,756,824
4. Step 4: Simplify right side
   21,199,768x = 2,093,686,942,566,976
5. Step 5: Solve for x
   x = 2,093,686,942,566,976/21,199,768
6. Step 6: Final answer
   x = 98,759,898.81