Finding the Third Proportional to 86,804 and 131,140

Step by Step Solution

1. Step 1: Write the proportion equation
   86,804 : 131,140 = 131,140 : x
2. Step 2: Convert to fraction form
   86,804/131,140 = 131,140/x
3. Step 3: Cross multiply
   86,804x = 131,140 × 131,140
4. Step 4: Simplify right side
   86,804x = 17,197,699,600
5. Step 5: Solve for x
   x = 17,197,699,600/86,804
6. Step 6: Final answer
   x = 198,121.05