Finding the Third Proportional to 21,637,674 and 45,689,790

Step by Step Solution

1. Step 1: Write the proportion equation
   21,637,674 : 45,689,790 = 45,689,790 : x
2. Step 2: Convert to fraction form
   21,637,674/45,689,790 = 45,689,790/x
3. Step 3: Cross multiply
   21,637,674x = 45,689,790 × 45,689,790
4. Step 4: Simplify right side
   21,637,674x = 2,087,556,910,244,100
5. Step 5: Solve for x
   x = 2,087,556,910,244,100/21,637,674
6. Step 6: Final answer
   x = 96,477,879.75