Finding the Third Proportional to 2,545,324 and 5,489,172

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545,324 : 5,489,172 = 5,489,172 : x
2. Step 2: Convert to fraction form
   2,545,324/5,489,172 = 5,489,172/x
3. Step 3: Cross multiply
   2,545,324x = 5,489,172 × 5,489,172
4. Step 4: Simplify right side
   2,545,324x = 30,131,009,245,584
5. Step 5: Solve for x
   x = 30,131,009,245,584/2,545,324
6. Step 6: Final answer
   x = 11,837,789.31