Finding the Third Proportional to 58,330 and 90,073

Step by Step Solution

1. Step 1: Write the proportion equation
   58,330 : 90,073 = 90,073 : x
2. Step 2: Convert to fraction form
   58,330/90,073 = 90,073/x
3. Step 3: Cross multiply
   58,330x = 90,073 × 90,073
4. Step 4: Simplify right side
   58,330x = 8,113,145,329
5. Step 5: Solve for x
   x = 8,113,145,329/58,330
6. Step 6: Final answer
   x = 139,090.44