Finding the Third Proportional to 89,394 and 123,141

Step by Step Solution

1. Step 1: Write the proportion equation
   89,394 : 123,141 = 123,141 : x
2. Step 2: Convert to fraction form
   89,394/123,141 = 123,141/x
3. Step 3: Cross multiply
   89,394x = 123,141 × 123,141
4. Step 4: Simplify right side
   89,394x = 15,163,705,881
5. Step 5: Solve for x
   x = 15,163,705,881/89,394
6. Step 6: Final answer
   x = 169,627.78