Finding the Third Proportional to 552,456 and 1,210,320

Step by Step Solution

1. Step 1: Write the proportion equation
   552,456 : 1,210,320 = 1,210,320 : x
2. Step 2: Convert to fraction form
   552,456/1,210,320 = 1,210,320/x
3. Step 3: Cross multiply
   552,456x = 1,210,320 × 1,210,320
4. Step 4: Simplify right side
   552,456x = 1,464,874,502,400
5. Step 5: Solve for x
   x = 1,464,874,502,400/552,456
6. Step 6: Final answer
   x = 2,651,567.73