Finding the Third Proportional to 851,654 and 1,854,508

Step by Step Solution

1. Step 1: Write the proportion equation
   851,654 : 1,854,508 = 1,854,508 : x
2. Step 2: Convert to fraction form
   851,654/1,854,508 = 1,854,508/x
3. Step 3: Cross multiply
   851,654x = 1,854,508 × 1,854,508
4. Step 4: Simplify right side
   851,654x = 3,439,199,922,064
5. Step 5: Solve for x
   x = 3,439,199,922,064/851,654
6. Step 6: Final answer
   x = 4,038,259.58