Finding the Third Proportional to 2,619,640 and 3,913,284

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619,640 : 3,913,284 = 3,913,284 : x
2. Step 2: Convert to fraction form
   2,619,640/3,913,284 = 3,913,284/x
3. Step 3: Cross multiply
   2,619,640x = 3,913,284 × 3,913,284
4. Step 4: Simplify right side
   2,619,640x = 15,313,791,664,656
5. Step 5: Solve for x
   x = 15,313,791,664,656/2,619,640
6. Step 6: Final answer
   x = 5,845,761.89