Finding the Third Proportional to 91,618.50 and 130,770

Step by Step Solution

1. Step 1: Write the proportion equation
   91,618.50 : 130,770 = 130,770 : x
2. Step 2: Convert to fraction form
   91,618.50/130,770 = 130,770/x
3. Step 3: Cross multiply
   91,618.50x = 130,770 × 130,770
4. Step 4: Simplify right side
   91,618.50x = 17,100,792,900
5. Step 5: Solve for x
   x = 17,100,792,900/91,618.50
6. Step 6: Final answer
   x = 186,652.18