Finding the Third Proportional to 718,296 and 1,071,216

Step by Step Solution

1. Step 1: Write the proportion equation
   718,296 : 1,071,216 = 1,071,216 : x
2. Step 2: Convert to fraction form
   718,296/1,071,216 = 1,071,216/x
3. Step 3: Cross multiply
   718,296x = 1,071,216 × 1,071,216
4. Step 4: Simplify right side
   718,296x = 1,147,503,718,656
5. Step 5: Solve for x
   x = 1,147,503,718,656/718,296
6. Step 6: Final answer
   x = 1,597,536