Finding the Third Proportional to 47,144 and 64,875

Step by Step Solution

1. Step 1: Write the proportion equation
   47,144 : 64,875 = 64,875 : x
2. Step 2: Convert to fraction form
   47,144/64,875 = 64,875/x
3. Step 3: Cross multiply
   47,144x = 64,875 × 64,875
4. Step 4: Simplify right side
   47,144x = 4,208,765,625
5. Step 5: Solve for x
   x = 4,208,765,625/47,144
6. Step 6: Final answer
   x = 89,274.68