Finding the Third Proportional to 58,223 and 90,179.25

Step by Step Solution

1. Step 1: Write the proportion equation
   58,223 : 90,179.25 = 90,179.25 : x
2. Step 2: Convert to fraction form
   58,223/90,179.25 = 90,179.25/x
3. Step 3: Cross multiply
   58,223x = 90,179.25 × 90,179.25
4. Step 4: Simplify right side
   58,223x = 8,132,297,130.56
5. Step 5: Solve for x
   x = 8,132,297,130.56/58,223
6. Step 6: Final answer
   x = 139,674.99