Finding the Third Proportional to 717,849 and 1,112,066.72

Step by Step Solution

1. Step 1: Write the proportion equation
   717,849 : 1,112,066.72 = 1,112,066.72 : x
2. Step 2: Convert to fraction form
   717,849/1,112,066.72 = 1,112,066.72/x
3. Step 3: Cross multiply
   717,849x = 1,112,066.72 × 1,112,066.72
4. Step 4: Simplify right side
   717,849x = 1,236,692,386,951.39
5. Step 5: Solve for x
   x = 1,236,692,386,951.39/717,849
6. Step 6: Final answer
   x = 1,722,775.11