Finding the Third Proportional to 570,240 and 1,224,720

Step by Step Solution

1. Step 1: Write the proportion equation
   570,240 : 1,224,720 = 1,224,720 : x
2. Step 2: Convert to fraction form
   570,240/1,224,720 = 1,224,720/x
3. Step 3: Cross multiply
   570,240x = 1,224,720 × 1,224,720
4. Step 4: Simplify right side
   570,240x = 1,499,939,078,400
5. Step 5: Solve for x
   x = 1,499,939,078,400/570,240
6. Step 6: Final answer
   x = 2,630,364.55