Finding the Third Proportional to 47,718 and 64,773

Step by Step Solution

1. Step 1: Write the proportion equation
   47,718 : 64,773 = 64,773 : x
2. Step 2: Convert to fraction form
   47,718/64,773 = 64,773/x
3. Step 3: Cross multiply
   47,718x = 64,773 × 64,773
4. Step 4: Simplify right side
   47,718x = 4,195,541,529
5. Step 5: Solve for x
   x = 4,195,541,529/47,718
6. Step 6: Final answer
   x = 87,923.67