Finding the Third Proportional to 796,738 and 1,866,453

Step by Step Solution

1. Step 1: Write the proportion equation
   796,738 : 1,866,453 = 1,866,453 : x
2. Step 2: Convert to fraction form
   796,738/1,866,453 = 1,866,453/x
3. Step 3: Cross multiply
   796,738x = 1,866,453 × 1,866,453
4. Step 4: Simplify right side
   796,738x = 3,483,646,801,209
5. Step 5: Solve for x
   x = 3,483,646,801,209/796,738
6. Step 6: Final answer
   x = 4,372,386.91