Finding the Third Proportional to 1,257,137 and 1,946,172

Step by Step Solution

1. Step 1: Write the proportion equation
   1,257,137 : 1,946,172 = 1,946,172 : x
2. Step 2: Convert to fraction form
   1,257,137/1,946,172 = 1,946,172/x
3. Step 3: Cross multiply
   1,257,137x = 1,946,172 × 1,946,172
4. Step 4: Simplify right side
   1,257,137x = 3,787,585,453,584
5. Step 5: Solve for x
   x = 3,787,585,453,584/1,257,137
6. Step 6: Final answer
   x = 3,012,866.10