Finding the Third Proportional to 89,615 and 132,379

Step by Step Solution

1. Step 1: Write the proportion equation
   89,615 : 132,379 = 132,379 : x
2. Step 2: Convert to fraction form
   89,615/132,379 = 132,379/x
3. Step 3: Cross multiply
   89,615x = 132,379 × 132,379
4. Step 4: Simplify right side
   89,615x = 17,524,199,641
5. Step 5: Solve for x
   x = 17,524,199,641/89,615
6. Step 6: Final answer
   x = 195,549.85