Finding the Third Proportional to 1,447,172 and 2,127,399

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447,172 : 2,127,399 = 2,127,399 : x
2. Step 2: Convert to fraction form
   1,447,172/2,127,399 = 2,127,399/x
3. Step 3: Cross multiply
   1,447,172x = 2,127,399 × 2,127,399
4. Step 4: Simplify right side
   1,447,172x = 4,525,826,505,201
5. Step 5: Solve for x
   x = 4,525,826,505,201/1,447,172
6. Step 6: Final answer
   x = 3,127,359.09