Finding the Third Proportional to 63,734 and 89,143

Step by Step Solution

1. Step 1: Write the proportion equation
   63,734 : 89,143 = 89,143 : x
2. Step 2: Convert to fraction form
   63,734/89,143 = 89,143/x
3. Step 3: Cross multiply
   63,734x = 89,143 × 89,143
4. Step 4: Simplify right side
   63,734x = 7,946,474,449
5. Step 5: Solve for x
   x = 7,946,474,449/63,734
6. Step 6: Final answer
   x = 124,681.87