Finding the Third Proportional to 567,820 and 879,072

Step by Step Solution

1. Step 1: Write the proportion equation
   567,820 : 879,072 = 879,072 : x
2. Step 2: Convert to fraction form
   567,820/879,072 = 879,072/x
3. Step 3: Cross multiply
   567,820x = 879,072 × 879,072
4. Step 4: Simplify right side
   567,820x = 772,767,581,184
5. Step 5: Solve for x
   x = 772,767,581,184/567,820
6. Step 6: Final answer
   x = 1,360,937.59