Finding the Third Proportional to 718,270 and 1,112,144

Step by Step Solution

1. Step 1: Write the proportion equation
   718,270 : 1,112,144 = 1,112,144 : x
2. Step 2: Convert to fraction form
   718,270/1,112,144 = 1,112,144/x
3. Step 3: Cross multiply
   718,270x = 1,112,144 × 1,112,144
4. Step 4: Simplify right side
   718,270x = 1,236,864,276,736
5. Step 5: Solve for x
   x = 1,236,864,276,736/718,270
6. Step 6: Final answer
   x = 1,722,004.65