Finding the Third Proportional to 851,620.50 and 1,854,441

Step by Step Solution

1. Step 1: Write the proportion equation
   851,620.50 : 1,854,441 = 1,854,441 : x
2. Step 2: Convert to fraction form
   851,620.50/1,854,441 = 1,854,441/x
3. Step 3: Cross multiply
   851,620.50x = 1,854,441 × 1,854,441
4. Step 4: Simplify right side
   851,620.50x = 3,438,951,422,481
5. Step 5: Solve for x
   x = 3,438,951,422,481/851,620.50
6. Step 6: Final answer
   x = 4,038,126.63