Finding the Third Proportional to 30,280 and 45,936

Step by Step Solution

1. Step 1: Write the proportion equation
   30,280 : 45,936 = 45,936 : x
2. Step 2: Convert to fraction form
   30,280/45,936 = 45,936/x
3. Step 3: Cross multiply
   30,280x = 45,936 × 45,936
4. Step 4: Simplify right side
   30,280x = 2,110,116,096
5. Step 5: Solve for x
   x = 2,110,116,096/30,280
6. Step 6: Final answer
   x = 69,686.79