Finding the Third Proportional to 46,989 and 72,871

Step by Step Solution

1. Step 1: Write the proportion equation
   46,989 : 72,871 = 72,871 : x
2. Step 2: Convert to fraction form
   46,989/72,871 = 72,871/x
3. Step 3: Cross multiply
   46,989x = 72,871 × 72,871
4. Step 4: Simplify right side
   46,989x = 5,310,182,641
5. Step 5: Solve for x
   x = 5,310,182,641/46,989
6. Step 6: Final answer
   x = 113,009.06