Finding the Third Proportional to 1,228,898 and 2,516,845

Step by Step Solution

1. Step 1: Write the proportion equation
   1,228,898 : 2,516,845 = 2,516,845 : x
2. Step 2: Convert to fraction form
   1,228,898/2,516,845 = 2,516,845/x
3. Step 3: Cross multiply
   1,228,898x = 2,516,845 × 2,516,845
4. Step 4: Simplify right side
   1,228,898x = 6,334,508,754,025
5. Step 5: Solve for x
   x = 6,334,508,754,025/1,228,898
6. Step 6: Final answer
   x = 5,154,625.33