Finding the Third Proportional to 1,891,116 and 2,906,640

Step by Step Solution

1. Step 1: Write the proportion equation
   1,891,116 : 2,906,640 = 2,906,640 : x
2. Step 2: Convert to fraction form
   1,891,116/2,906,640 = 2,906,640/x
3. Step 3: Cross multiply
   1,891,116x = 2,906,640 × 2,906,640
4. Step 4: Simplify right side
   1,891,116x = 8,448,556,089,600
5. Step 5: Solve for x
   x = 8,448,556,089,600/1,891,116
6. Step 6: Final answer
   x = 4,467,497.55