Finding the Third Proportional to 1,393,144 and 2,845,324

Step by Step Solution

1. Step 1: Write the proportion equation
   1,393,144 : 2,845,324 = 2,845,324 : x
2. Step 2: Convert to fraction form
   1,393,144/2,845,324 = 2,845,324/x
3. Step 3: Cross multiply
   1,393,144x = 2,845,324 × 2,845,324
4. Step 4: Simplify right side
   1,393,144x = 8,095,868,664,976
5. Step 5: Solve for x
   x = 8,095,868,664,976/1,393,144
6. Step 6: Final answer
   x = 5,811,221.72