Finding the Third Proportional to 2,558,586 and 5,298,324

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558,586 : 5,298,324 = 5,298,324 : x
2. Step 2: Convert to fraction form
   2,558,586/5,298,324 = 5,298,324/x
3. Step 3: Cross multiply
   2,558,586x = 5,298,324 × 5,298,324
4. Step 4: Simplify right side
   2,558,586x = 28,072,237,208,976
5. Step 5: Solve for x
   x = 28,072,237,208,976/2,558,586
6. Step 6: Final answer
   x = 10,971,777.85