Finding the Third Proportional to 851,634 and 1,854,468

Step by Step Solution

1. Step 1: Write the proportion equation
   851,634 : 1,854,468 = 1,854,468 : x
2. Step 2: Convert to fraction form
   851,634/1,854,468 = 1,854,468/x
3. Step 3: Cross multiply
   851,634x = 1,854,468 × 1,854,468
4. Step 4: Simplify right side
   851,634x = 3,439,051,563,024
5. Step 5: Solve for x
   x = 3,439,051,563,024/851,634
6. Step 6: Final answer
   x = 4,038,180.21