Finding the Third Proportional to 21,199,764 and 45,756,816

Step by Step Solution

1. Step 1: Write the proportion equation
   21,199,764 : 45,756,816 = 45,756,816 : x
2. Step 2: Convert to fraction form
   21,199,764/45,756,816 = 45,756,816/x
3. Step 3: Cross multiply
   21,199,764x = 45,756,816 × 45,756,816
4. Step 4: Simplify right side
   21,199,764x = 2,093,686,210,457,856
5. Step 5: Solve for x
   x = 2,093,686,210,457,856/21,199,764
6. Step 6: Final answer
   x = 98,759,882.91