Finding the Third Proportional to 65,158 and 87,152

Step by Step Solution

1. Step 1: Write the proportion equation
   65,158 : 87,152 = 87,152 : x
2. Step 2: Convert to fraction form
   65,158/87,152 = 87,152/x
3. Step 3: Cross multiply
   65,158x = 87,152 × 87,152
4. Step 4: Simplify right side
   65,158x = 7,595,471,104
5. Step 5: Solve for x
   x = 7,595,471,104/65,158
6. Step 6: Final answer
   x = 116,570.05