Finding the Third Proportional to 570,270 and 1,224,780

Step by Step Solution

1. Step 1: Write the proportion equation
   570,270 : 1,224,780 = 1,224,780 : x
2. Step 2: Convert to fraction form
   570,270/1,224,780 = 1,224,780/x
3. Step 3: Cross multiply
   570,270x = 1,224,780 × 1,224,780
4. Step 4: Simplify right side
   570,270x = 1,500,086,048,400
5. Step 5: Solve for x
   x = 1,500,086,048,400/570,270
6. Step 6: Final answer
   x = 2,630,483.89