Finding the Third Proportional to 850,293 and 1,866,453

Step by Step Solution

1. Step 1: Write the proportion equation
   850,293 : 1,866,453 = 1,866,453 : x
2. Step 2: Convert to fraction form
   850,293/1,866,453 = 1,866,453/x
3. Step 3: Cross multiply
   850,293x = 1,866,453 × 1,866,453
4. Step 4: Simplify right side
   850,293x = 3,483,646,801,209
5. Step 5: Solve for x
   x = 3,483,646,801,209/850,293
6. Step 6: Final answer
   x = 4,096,995.74