Finding the Third Proportional to 62,489 and 89,059

Step by Step Solution

1. Step 1: Write the proportion equation
   62,489 : 89,059 = 89,059 : x
2. Step 2: Convert to fraction form
   62,489/89,059 = 89,059/x
3. Step 3: Cross multiply
   62,489x = 89,059 × 89,059
4. Step 4: Simplify right side
   62,489x = 7,931,505,481
5. Step 5: Solve for x
   x = 7,931,505,481/62,489
6. Step 6: Final answer
   x = 126,926.43