Finding the Third Proportional to 1,206,870 and 2,605,158

Step by Step Solution

1. Step 1: Write the proportion equation
   1,206,870 : 2,605,158 = 2,605,158 : x
2. Step 2: Convert to fraction form
   1,206,870/2,605,158 = 2,605,158/x
3. Step 3: Cross multiply
   1,206,870x = 2,605,158 × 2,605,158
4. Step 4: Simplify right side
   1,206,870x = 6,786,848,204,964
5. Step 5: Solve for x
   x = 6,786,848,204,964/1,206,870
6. Step 6: Final answer
   x = 5,623,512.23