Finding the Third Proportional to 570,508 and 1,221,980

Step by Step Solution

1. Step 1: Write the proportion equation
   570,508 : 1,221,980 = 1,221,980 : x
2. Step 2: Convert to fraction form
   570,508/1,221,980 = 1,221,980/x
3. Step 3: Cross multiply
   570,508x = 1,221,980 × 1,221,980
4. Step 4: Simplify right side
   570,508x = 1,493,235,120,400
5. Step 5: Solve for x
   x = 1,493,235,120,400/570,508
6. Step 6: Final answer
   x = 2,617,378.06