Finding the Third Proportional to 1,236,629 and 2,684,758

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,629 : 2,684,758 = 2,684,758 : x
2. Step 2: Convert to fraction form
   1,236,629/2,684,758 = 2,684,758/x
3. Step 3: Cross multiply
   1,236,629x = 2,684,758 × 2,684,758
4. Step 4: Simplify right side
   1,236,629x = 7,207,925,518,564
5. Step 5: Solve for x
   x = 7,207,925,518,564/1,236,629
6. Step 6: Final answer
   x = 5,828,688.73