Finding the Third Proportional to 40,745 and 64,830

Step by Step Solution

1. Step 1: Write the proportion equation
   40,745 : 64,830 = 64,830 : x
2. Step 2: Convert to fraction form
   40,745/64,830 = 64,830/x
3. Step 3: Cross multiply
   40,745x = 64,830 × 64,830
4. Step 4: Simplify right side
   40,745x = 4,202,928,900
5. Step 5: Solve for x
   x = 4,202,928,900/40,745
6. Step 6: Final answer
   x = 103,152.02