Finding the Third Proportional to 7,981,807 and 17,508,742

Step by Step Solution

1. Step 1: Write the proportion equation
   7,981,807 : 17,508,742 = 17,508,742 : x
2. Step 2: Convert to fraction form
   7,981,807/17,508,742 = 17,508,742/x
3. Step 3: Cross multiply
   7,981,807x = 17,508,742 × 17,508,742
4. Step 4: Simplify right side
   7,981,807x = 306,556,046,422,564
5. Step 5: Solve for x
   x = 306,556,046,422,564/7,981,807
6. Step 6: Final answer
   x = 38,406,847.78