Finding the Third Proportional to 570,040 and 1,231,448

Step by Step Solution

1. Step 1: Write the proportion equation
   570,040 : 1,231,448 = 1,231,448 : x
2. Step 2: Convert to fraction form
   570,040/1,231,448 = 1,231,448/x
3. Step 3: Cross multiply
   570,040x = 1,231,448 × 1,231,448
4. Step 4: Simplify right side
   570,040x = 1,516,464,176,704
5. Step 5: Solve for x
   x = 1,516,464,176,704/570,040
6. Step 6: Final answer
   x = 2,660,276.78