Finding the Third Proportional to 30,297.38 and 65,434.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,297.38 : 65,434.50 = 65,434.50 : x
2. Step 2: Convert to fraction form
   30,297.38/65,434.50 = 65,434.50/x
3. Step 3: Cross multiply
   30,297.38x = 65,434.50 × 65,434.50
4. Step 4: Simplify right side
   30,297.38x = 4,281,673,790.25
5. Step 5: Solve for x
   x = 4,281,673,790.25/30,297.38
6. Step 6: Final answer
   x = 141,321.61