Finding the Third Proportional to 552,404 and 836,078

Step by Step Solution

1. Step 1: Write the proportion equation
   552,404 : 836,078 = 836,078 : x
2. Step 2: Convert to fraction form
   552,404/836,078 = 836,078/x
3. Step 3: Cross multiply
   552,404x = 836,078 × 836,078
4. Step 4: Simplify right side
   552,404x = 699,026,422,084
5. Step 5: Solve for x
   x = 699,026,422,084/552,404
6. Step 6: Final answer
   x = 1,265,426.07