Finding the Third Proportional to 238,306.50 and 493,132.50

Step by Step Solution

1. Step 1: Write the proportion equation
   238,306.50 : 493,132.50 = 493,132.50 : x
2. Step 2: Convert to fraction form
   238,306.50/493,132.50 = 493,132.50/x
3. Step 3: Cross multiply
   238,306.50x = 493,132.50 × 493,132.50
4. Step 4: Simplify right side
   238,306.50x = 243,179,662,556.25
5. Step 5: Solve for x
   x = 243,179,662,556.25/238,306.50
6. Step 6: Final answer
   x = 1,020,449.14