Finding the Third Proportional to 21,048,056 and 31,486,260

Step by Step Solution

1. Step 1: Write the proportion equation
   21,048,056 : 31,486,260 = 31,486,260 : x
2. Step 2: Convert to fraction form
   21,048,056/31,486,260 = 31,486,260/x
3. Step 3: Cross multiply
   21,048,056x = 31,486,260 × 31,486,260
4. Step 4: Simplify right side
   21,048,056x = 991,384,568,787,600
5. Step 5: Solve for x
   x = 991,384,568,787,600/21,048,056
6. Step 6: Final answer
   x = 47,101,003.95