Finding the Third Proportional to 302,842.50 and 443,247

Step by Step Solution

1. Step 1: Write the proportion equation
   302,842.50 : 443,247 = 443,247 : x
2. Step 2: Convert to fraction form
   302,842.50/443,247 = 443,247/x
3. Step 3: Cross multiply
   302,842.50x = 443,247 × 443,247
4. Step 4: Simplify right side
   302,842.50x = 196,467,903,009
5. Step 5: Solve for x
   x = 196,467,903,009/302,842.50
6. Step 6: Final answer
   x = 648,746.14