Finding the Third Proportional to 111,084.50 and 238,585

Step by Step Solution

1. Step 1: Write the proportion equation
   111,084.50 : 238,585 = 238,585 : x
2. Step 2: Convert to fraction form
   111,084.50/238,585 = 238,585/x
3. Step 3: Cross multiply
   111,084.50x = 238,585 × 238,585
4. Step 4: Simplify right side
   111,084.50x = 56,922,802,225
5. Step 5: Solve for x
   x = 56,922,802,225/111,084.50
6. Step 6: Final answer
   x = 512,427.95