Finding the Third Proportional to 718,285 and 1,112,168

Step by Step Solution

1. Step 1: Write the proportion equation
   718,285 : 1,112,168 = 1,112,168 : x
2. Step 2: Convert to fraction form
   718,285/1,112,168 = 1,112,168/x
3. Step 3: Cross multiply
   718,285x = 1,112,168 × 1,112,168
4. Step 4: Simplify right side
   718,285x = 1,236,917,660,224
5. Step 5: Solve for x
   x = 1,236,917,660,224/718,285
6. Step 6: Final answer
   x = 1,722,043.01