Finding the Third Proportional to 108,583.50 and 168,120

Step by Step Solution

1. Step 1: Write the proportion equation
   108,583.50 : 168,120 = 168,120 : x
2. Step 2: Convert to fraction form
   108,583.50/168,120 = 168,120/x
3. Step 3: Cross multiply
   108,583.50x = 168,120 × 168,120
4. Step 4: Simplify right side
   108,583.50x = 28,264,334,400
5. Step 5: Solve for x
   x = 28,264,334,400/108,583.50
6. Step 6: Final answer
   x = 260,300.45