Finding the Third Proportional to 30,132 and 65,281.57

Step by Step Solution

1. Step 1: Write the proportion equation
   30,132 : 65,281.57 = 65,281.57 : x
2. Step 2: Convert to fraction form
   30,132/65,281.57 = 65,281.57/x
3. Step 3: Cross multiply
   30,132x = 65,281.57 × 65,281.57
4. Step 4: Simplify right side
   30,132x = 4,261,683,422.47
5. Step 5: Solve for x
   x = 4,261,683,422.47/30,132
6. Step 6: Final answer
   x = 141,433.81