Finding the Third Proportional to 2,186,395 and 4,512,838

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186,395 : 4,512,838 = 4,512,838 : x
2. Step 2: Convert to fraction form
   2,186,395/4,512,838 = 4,512,838/x
3. Step 3: Cross multiply
   2,186,395x = 4,512,838 × 4,512,838
4. Step 4: Simplify right side
   2,186,395x = 20,365,706,814,244
5. Step 5: Solve for x
   x = 20,365,706,814,244/2,186,395
6. Step 6: Final answer
   x = 9,314,742.68