Finding the Third Proportional to 46,724 and 72,546

Step by Step Solution

1. Step 1: Write the proportion equation
   46,724 : 72,546 = 72,546 : x
2. Step 2: Convert to fraction form
   46,724/72,546 = 72,546/x
3. Step 3: Cross multiply
   46,724x = 72,546 × 72,546
4. Step 4: Simplify right side
   46,724x = 5,262,922,116
5. Step 5: Solve for x
   x = 5,262,922,116/46,724
6. Step 6: Final answer
   x = 112,638.52