Finding the Third Proportional to 89,315 and 123,034

Step by Step Solution

1. Step 1: Write the proportion equation
   89,315 : 123,034 = 123,034 : x
2. Step 2: Convert to fraction form
   89,315/123,034 = 123,034/x
3. Step 3: Cross multiply
   89,315x = 123,034 × 123,034
4. Step 4: Simplify right side
   89,315x = 15,137,365,156
5. Step 5: Solve for x
   x = 15,137,365,156/89,315
6. Step 6: Final answer
   x = 169,482.90