Finding the Third Proportional to 1,217,036 and 2,596,972

Step by Step Solution

1. Step 1: Write the proportion equation
   1,217,036 : 2,596,972 = 2,596,972 : x
2. Step 2: Convert to fraction form
   1,217,036/2,596,972 = 2,596,972/x
3. Step 3: Cross multiply
   1,217,036x = 2,596,972 × 2,596,972
4. Step 4: Simplify right side
   1,217,036x = 6,744,263,568,784
5. Step 5: Solve for x
   x = 6,744,263,568,784/1,217,036
6. Step 6: Final answer
   x = 5,541,548.13