Finding the Third Proportional to 679,072 and 1,439,093

Step by Step Solution

1. Step 1: Write the proportion equation
   679,072 : 1,439,093 = 1,439,093 : x
2. Step 2: Convert to fraction form
   679,072/1,439,093 = 1,439,093/x
3. Step 3: Cross multiply
   679,072x = 1,439,093 × 1,439,093
4. Step 4: Simplify right side
   679,072x = 2,070,988,662,649
5. Step 5: Solve for x
   x = 2,070,988,662,649/679,072
6. Step 6: Final answer
   x = 3,049,733.55