Finding the Third Proportional to 1,363,216 and 2,116,746

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363,216 : 2,116,746 = 2,116,746 : x
2. Step 2: Convert to fraction form
   1,363,216/2,116,746 = 2,116,746/x
3. Step 3: Cross multiply
   1,363,216x = 2,116,746 × 2,116,746
4. Step 4: Simplify right side
   1,363,216x = 4,480,613,628,516
5. Step 5: Solve for x
   x = 4,480,613,628,516/1,363,216
6. Step 6: Final answer
   x = 3,286,796.54