Finding the Third Proportional to 757,172 and 1,619,400

Step by Step Solution

1. Step 1: Write the proportion equation
   757,172 : 1,619,400 = 1,619,400 : x
2. Step 2: Convert to fraction form
   757,172/1,619,400 = 1,619,400/x
3. Step 3: Cross multiply
   757,172x = 1,619,400 × 1,619,400
4. Step 4: Simplify right side
   757,172x = 2,622,456,360,000
5. Step 5: Solve for x
   x = 2,622,456,360,000/757,172
6. Step 6: Final answer
   x = 3,463,488.30