Finding the Third Proportional to 567,640 and 846,540

Step by Step Solution

1. Step 1: Write the proportion equation
   567,640 : 846,540 = 846,540 : x
2. Step 2: Convert to fraction form
   567,640/846,540 = 846,540/x
3. Step 3: Cross multiply
   567,640x = 846,540 × 846,540
4. Step 4: Simplify right side
   567,640x = 716,629,971,600
5. Step 5: Solve for x
   x = 716,629,971,600/567,640
6. Step 6: Final answer
   x = 1,262,472.64