Finding the Third Proportional to 574,588 and 1,221,800

Step by Step Solution

1. Step 1: Write the proportion equation
   574,588 : 1,221,800 = 1,221,800 : x
2. Step 2: Convert to fraction form
   574,588/1,221,800 = 1,221,800/x
3. Step 3: Cross multiply
   574,588x = 1,221,800 × 1,221,800
4. Step 4: Simplify right side
   574,588x = 1,492,795,240,000
5. Step 5: Solve for x
   x = 1,492,795,240,000/574,588
6. Step 6: Final answer
   x = 2,598,027.18