Finding the Third Proportional to 46,976 and 72,820

Step by Step Solution

1. Step 1: Write the proportion equation
   46,976 : 72,820 = 72,820 : x
2. Step 2: Convert to fraction form
   46,976/72,820 = 72,820/x
3. Step 3: Cross multiply
   46,976x = 72,820 × 72,820
4. Step 4: Simplify right side
   46,976x = 5,302,752,400
5. Step 5: Solve for x
   x = 5,302,752,400/46,976
6. Step 6: Final answer
   x = 112,882.16