Finding the Third Proportional to 89,318 and 123,038

Step by Step Solution

1. Step 1: Write the proportion equation
   89,318 : 123,038 = 123,038 : x
2. Step 2: Convert to fraction form
   89,318/123,038 = 123,038/x
3. Step 3: Cross multiply
   89,318x = 123,038 × 123,038
4. Step 4: Simplify right side
   89,318x = 15,138,349,444
5. Step 5: Solve for x
   x = 15,138,349,444/89,318
6. Step 6: Final answer
   x = 169,488.23