Finding the Third Proportional to 712,824 and 942,222

Step by Step Solution

1. Step 1: Write the proportion equation
   712,824 : 942,222 = 942,222 : x
2. Step 2: Convert to fraction form
   712,824/942,222 = 942,222/x
3. Step 3: Cross multiply
   712,824x = 942,222 × 942,222
4. Step 4: Simplify right side
   712,824x = 887,782,297,284
5. Step 5: Solve for x
   x = 887,782,297,284/712,824
6. Step 6: Final answer
   x = 1,245,443.89