Finding the Third Proportional to 2,629,154 and 5,656,828

Step by Step Solution

1. Step 1: Write the proportion equation
   2,629,154 : 5,656,828 = 5,656,828 : x
2. Step 2: Convert to fraction form
   2,629,154/5,656,828 = 5,656,828/x
3. Step 3: Cross multiply
   2,629,154x = 5,656,828 × 5,656,828
4. Step 4: Simplify right side
   2,629,154x = 31,999,703,021,584
5. Step 5: Solve for x
   x = 31,999,703,021,584/2,629,154
6. Step 6: Final answer
   x = 12,171,102.58