Finding the Third Proportional to 87,380 and 130,928

Step by Step Solution

1. Step 1: Write the proportion equation
   87,380 : 130,928 = 130,928 : x
2. Step 2: Convert to fraction form
   87,380/130,928 = 130,928/x
3. Step 3: Cross multiply
   87,380x = 130,928 × 130,928
4. Step 4: Simplify right side
   87,380x = 17,142,141,184
5. Step 5: Solve for x
   x = 17,142,141,184/87,380
6. Step 6: Final answer
   x = 196,179.23