Finding the Third Proportional to 48,756 and 72,815

Step by Step Solution

1. Step 1: Write the proportion equation
   48,756 : 72,815 = 72,815 : x
2. Step 2: Convert to fraction form
   48,756/72,815 = 72,815/x
3. Step 3: Cross multiply
   48,756x = 72,815 × 72,815
4. Step 4: Simplify right side
   48,756x = 5,302,024,225
5. Step 5: Solve for x
   x = 5,302,024,225/48,756
6. Step 6: Final answer
   x = 108,746.09