Finding the Third Proportional to 238,648.50 and 514,656

Step by Step Solution

1. Step 1: Write the proportion equation
   238,648.50 : 514,656 = 514,656 : x
2. Step 2: Convert to fraction form
   238,648.50/514,656 = 514,656/x
3. Step 3: Cross multiply
   238,648.50x = 514,656 × 514,656
4. Step 4: Simplify right side
   238,648.50x = 264,870,798,336
5. Step 5: Solve for x
   x = 264,870,798,336/238,648.50
6. Step 6: Final answer
   x = 1,109,878.33