Finding the Third Proportional to 48,784 and 72,968

Step by Step Solution

1. Step 1: Write the proportion equation
   48,784 : 72,968 = 72,968 : x
2. Step 2: Convert to fraction form
   48,784/72,968 = 72,968/x
3. Step 3: Cross multiply
   48,784x = 72,968 × 72,968
4. Step 4: Simplify right side
   48,784x = 5,324,329,024
5. Step 5: Solve for x
   x = 5,324,329,024/48,784
6. Step 6: Final answer
   x = 109,140.89