Finding the Third Proportional to 1,227,892 and 2,516,642

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227,892 : 2,516,642 = 2,516,642 : x
2. Step 2: Convert to fraction form
   1,227,892/2,516,642 = 2,516,642/x
3. Step 3: Cross multiply
   1,227,892x = 2,516,642 × 2,516,642
4. Step 4: Simplify right side
   1,227,892x = 6,333,486,956,164
5. Step 5: Solve for x
   x = 6,333,486,956,164/1,227,892
6. Step 6: Final answer
   x = 5,158,016.30