Finding the Third Proportional to 851,628 and 1,854,453

Step by Step Solution

1. Step 1: Write the proportion equation
   851,628 : 1,854,453 = 1,854,453 : x
2. Step 2: Convert to fraction form
   851,628/1,854,453 = 1,854,453/x
3. Step 3: Cross multiply
   851,628x = 1,854,453 × 1,854,453
4. Step 4: Simplify right side
   851,628x = 3,438,995,929,209
5. Step 5: Solve for x
   x = 3,438,995,929,209/851,628
6. Step 6: Final answer
   x = 4,038,143.33