Finding the Third Proportional to 2,147,458.50 and 4,672,782

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,458.50 : 4,672,782 = 4,672,782 : x
2. Step 2: Convert to fraction form
   2,147,458.50/4,672,782 = 4,672,782/x
3. Step 3: Cross multiply
   2,147,458.50x = 4,672,782 × 4,672,782
4. Step 4: Simplify right side
   2,147,458.50x = 21,834,891,619,524
5. Step 5: Solve for x
   x = 21,834,891,619,524/2,147,458.50
6. Step 6: Final answer
   x = 10,167,782.81