Finding the Third Proportional to 87,740 and 141,300

Step by Step Solution

1. Step 1: Write the proportion equation
   87,740 : 141,300 = 141,300 : x
2. Step 2: Convert to fraction form
   87,740/141,300 = 141,300/x
3. Step 3: Cross multiply
   87,740x = 141,300 × 141,300
4. Step 4: Simplify right side
   87,740x = 19,965,690,000
5. Step 5: Solve for x
   x = 19,965,690,000/87,740
6. Step 6: Final answer
   x = 227,555.16