Finding the Third Proportional to 30,699 and 65,754

Step by Step Solution

1. Step 1: Write the proportion equation
   30,699 : 65,754 = 65,754 : x
2. Step 2: Convert to fraction form
   30,699/65,754 = 65,754/x
3. Step 3: Cross multiply
   30,699x = 65,754 × 65,754
4. Step 4: Simplify right side
   30,699x = 4,323,588,516
5. Step 5: Solve for x
   x = 4,323,588,516/30,699
6. Step 6: Final answer
   x = 140,838.09