Finding the Third Proportional to 718,080 and 1,111,836

Step by Step Solution

1. Step 1: Write the proportion equation
   718,080 : 1,111,836 = 1,111,836 : x
2. Step 2: Convert to fraction form
   718,080/1,111,836 = 1,111,836/x
3. Step 3: Cross multiply
   718,080x = 1,111,836 × 1,111,836
4. Step 4: Simplify right side
   718,080x = 1,236,179,290,896
5. Step 5: Solve for x
   x = 1,236,179,290,896/718,080
6. Step 6: Final answer
   x = 1,721,506.37