Finding the Third Proportional to 30,280 and 64,166

Step by Step Solution

1. Step 1: Write the proportion equation
   30,280 : 64,166 = 64,166 : x
2. Step 2: Convert to fraction form
   30,280/64,166 = 64,166/x
3. Step 3: Cross multiply
   30,280x = 64,166 × 64,166
4. Step 4: Simplify right side
   30,280x = 4,117,275,556
5. Step 5: Solve for x
   x = 4,117,275,556/30,280
6. Step 6: Final answer
   x = 135,973.43