Finding the Third Proportional to 43,880 and 64,180

Step by Step Solution

1. Step 1: Write the proportion equation
   43,880 : 64,180 = 64,180 : x
2. Step 2: Convert to fraction form
   43,880/64,180 = 64,180/x
3. Step 3: Cross multiply
   43,880x = 64,180 × 64,180
4. Step 4: Simplify right side
   43,880x = 4,119,072,400
5. Step 5: Solve for x
   x = 4,119,072,400/43,880
6. Step 6: Final answer
   x = 93,871.29