Finding the Third Proportional to 715,682 and 1,543,458

Step by Step Solution

1. Step 1: Write the proportion equation
   715,682 : 1,543,458 = 1,543,458 : x
2. Step 2: Convert to fraction form
   715,682/1,543,458 = 1,543,458/x
3. Step 3: Cross multiply
   715,682x = 1,543,458 × 1,543,458
4. Step 4: Simplify right side
   715,682x = 2,382,262,597,764
5. Step 5: Solve for x
   x = 2,382,262,597,764/715,682
6. Step 6: Final answer
   x = 3,328,660.77