Finding the Third Proportional to 548,890 and 1,201,460

Step by Step Solution

1. Step 1: Write the proportion equation
   548,890 : 1,201,460 = 1,201,460 : x
2. Step 2: Convert to fraction form
   548,890/1,201,460 = 1,201,460/x
3. Step 3: Cross multiply
   548,890x = 1,201,460 × 1,201,460
4. Step 4: Simplify right side
   548,890x = 1,443,506,131,600
5. Step 5: Solve for x
   x = 1,443,506,131,600/548,890
6. Step 6: Final answer
   x = 2,629,864.15