Finding the Third Proportional to 861,720 and 1,765,232

Step by Step Solution

1. Step 1: Write the proportion equation
   861,720 : 1,765,232 = 1,765,232 : x
2. Step 2: Convert to fraction form
   861,720/1,765,232 = 1,765,232/x
3. Step 3: Cross multiply
   861,720x = 1,765,232 × 1,765,232
4. Step 4: Simplify right side
   861,720x = 3,116,044,013,824
5. Step 5: Solve for x
   x = 3,116,044,013,824/861,720
6. Step 6: Final answer
   x = 3,616,074.84