Finding the Third Proportional to 535,207.50 and 828,162

Step by Step Solution

1. Step 1: Write the proportion equation
   535,207.50 : 828,162 = 828,162 : x
2. Step 2: Convert to fraction form
   535,207.50/828,162 = 828,162/x
3. Step 3: Cross multiply
   535,207.50x = 828,162 × 828,162
4. Step 4: Simplify right side
   535,207.50x = 685,852,298,244
5. Step 5: Solve for x
   x = 685,852,298,244/535,207.50
6. Step 6: Final answer
   x = 1,281,469.89