Finding the Third Proportional to 551,439 and 1,194,484

Step by Step Solution

1. Step 1: Write the proportion equation
   551,439 : 1,194,484 = 1,194,484 : x
2. Step 2: Convert to fraction form
   551,439/1,194,484 = 1,194,484/x
3. Step 3: Cross multiply
   551,439x = 1,194,484 × 1,194,484
4. Step 4: Simplify right side
   551,439x = 1,426,792,026,256
5. Step 5: Solve for x
   x = 1,426,792,026,256/551,439
6. Step 6: Final answer
   x = 2,587,397.75