Finding the Third Proportional to 65,219 and 87,358

Step by Step Solution

1. Step 1: Write the proportion equation
   65,219 : 87,358 = 87,358 : x
2. Step 2: Convert to fraction form
   65,219/87,358 = 87,358/x
3. Step 3: Cross multiply
   65,219x = 87,358 × 87,358
4. Step 4: Simplify right side
   65,219x = 7,631,420,164
5. Step 5: Solve for x
   x = 7,631,420,164/65,219
6. Step 6: Final answer
   x = 117,012.22