Finding the Third Proportional to 30,188 and 65,985

Step by Step Solution

1. Step 1: Write the proportion equation
   30,188 : 65,985 = 65,985 : x
2. Step 2: Convert to fraction form
   30,188/65,985 = 65,985/x
3. Step 3: Cross multiply
   30,188x = 65,985 × 65,985
4. Step 4: Simplify right side
   30,188x = 4,354,020,225
5. Step 5: Solve for x
   x = 4,354,020,225/30,188
6. Step 6: Final answer
   x = 144,230.17