Finding the Third Proportional to 238,956.50 and 516,630

Step by Step Solution

1. Step 1: Write the proportion equation
   238,956.50 : 516,630 = 516,630 : x
2. Step 2: Convert to fraction form
   238,956.50/516,630 = 516,630/x
3. Step 3: Cross multiply
   238,956.50x = 516,630 × 516,630
4. Step 4: Simplify right side
   238,956.50x = 266,906,556,900
5. Step 5: Solve for x
   x = 266,906,556,900/238,956.50
6. Step 6: Final answer
   x = 1,116,967.13