Finding the Third Proportional to 40,612 and 63,723

Step by Step Solution

1. Step 1: Write the proportion equation
   40,612 : 63,723 = 63,723 : x
2. Step 2: Convert to fraction form
   40,612/63,723 = 63,723/x
3. Step 3: Cross multiply
   40,612x = 63,723 × 63,723
4. Step 4: Simplify right side
   40,612x = 4,060,620,729
5. Step 5: Solve for x
   x = 4,060,620,729/40,612
6. Step 6: Final answer
   x = 99,985.74