Finding the Third Proportional to 58,104 and 89,718.75

Step by Step Solution

1. Step 1: Write the proportion equation
   58,104 : 89,718.75 = 89,718.75 : x
2. Step 2: Convert to fraction form
   58,104/89,718.75 = 89,718.75/x
3. Step 3: Cross multiply
   58,104x = 89,718.75 × 89,718.75
4. Step 4: Simplify right side
   58,104x = 8,049,454,101.56
5. Step 5: Solve for x
   x = 8,049,454,101.56/58,104
6. Step 6: Final answer
   x = 138,535.28