Finding the Third Proportional to 1,447,395 and 2,128,993

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447,395 : 2,128,993 = 2,128,993 : x
2. Step 2: Convert to fraction form
   1,447,395/2,128,993 = 2,128,993/x
3. Step 3: Cross multiply
   1,447,395x = 2,128,993 × 2,128,993
4. Step 4: Simplify right side
   1,447,395x = 4,532,611,194,049
5. Step 5: Solve for x
   x = 4,532,611,194,049/1,447,395
6. Step 6: Final answer
   x = 3,131,564.77