Finding the Third Proportional to 89,412.75 and 123,955.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89,412.75 : 123,955.88 = 123,955.88 : x
2. Step 2: Convert to fraction form
   89,412.75/123,955.88 = 123,955.88/x
3. Step 3: Cross multiply
   89,412.75x = 123,955.88 × 123,955.88
4. Step 4: Simplify right side
   89,412.75x = 15,365,058,947.02
5. Step 5: Solve for x
   x = 15,365,058,947.02/89,412.75
6. Step 6: Final answer
   x = 171,844.16