Finding the Third Proportional to 41,472 and 64,320.75

Step by Step Solution

1. Step 1: Write the proportion equation
   41,472 : 64,320.75 = 64,320.75 : x
2. Step 2: Convert to fraction form
   41,472/64,320.75 = 64,320.75/x
3. Step 3: Cross multiply
   41,472x = 64,320.75 × 64,320.75
4. Step 4: Simplify right side
   41,472x = 4,137,158,880.56
5. Step 5: Solve for x
   x = 4,137,158,880.56/41,472
6. Step 6: Final answer
   x = 99,757.88