Finding the Third Proportional to 2,187,968 and 3,311,168

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187,968 : 3,311,168 = 3,311,168 : x
2. Step 2: Convert to fraction form
   2,187,968/3,311,168 = 3,311,168/x
3. Step 3: Cross multiply
   2,187,968x = 3,311,168 × 3,311,168
4. Step 4: Simplify right side
   2,187,968x = 10,963,833,524,224
5. Step 5: Solve for x
   x = 10,963,833,524,224/2,187,968
6. Step 6: Final answer
   x = 5,010,966.12