Finding the Third Proportional to 574,666 and 1,219,380

Step by Step Solution

1. Step 1: Write the proportion equation
   574,666 : 1,219,380 = 1,219,380 : x
2. Step 2: Convert to fraction form
   574,666/1,219,380 = 1,219,380/x
3. Step 3: Cross multiply
   574,666x = 1,219,380 × 1,219,380
4. Step 4: Simplify right side
   574,666x = 1,486,887,584,400
5. Step 5: Solve for x
   x = 1,486,887,584,400/574,666
6. Step 6: Final answer
   x = 2,587,394.39