Finding the Third Proportional to 58,286.75 and 90,002

Step by Step Solution

1. Step 1: Write the proportion equation
   58,286.75 : 90,002 = 90,002 : x
2. Step 2: Convert to fraction form
   58,286.75/90,002 = 90,002/x
3. Step 3: Cross multiply
   58,286.75x = 90,002 × 90,002
4. Step 4: Simplify right side
   58,286.75x = 8,100,360,004
5. Step 5: Solve for x
   x = 8,100,360,004/58,286.75
6. Step 6: Final answer
   x = 138,974.30