Finding the Third Proportional to 87,640 and 143,094

Step by Step Solution

1. Step 1: Write the proportion equation
   87,640 : 143,094 = 143,094 : x
2. Step 2: Convert to fraction form
   87,640/143,094 = 143,094/x
3. Step 3: Cross multiply
   87,640x = 143,094 × 143,094
4. Step 4: Simplify right side
   87,640x = 20,475,892,836
5. Step 5: Solve for x
   x = 20,475,892,836/87,640
6. Step 6: Final answer
   x = 233,636.39