Finding the Third Proportional to 591,142 and 1,224,324

Step by Step Solution

1. Step 1: Write the proportion equation
   591,142 : 1,224,324 = 1,224,324 : x
2. Step 2: Convert to fraction form
   591,142/1,224,324 = 1,224,324/x
3. Step 3: Cross multiply
   591,142x = 1,224,324 × 1,224,324
4. Step 4: Simplify right side
   591,142x = 1,498,969,256,976
5. Step 5: Solve for x
   x = 1,498,969,256,976/591,142
6. Step 6: Final answer
   x = 2,535,717.74