Finding the Third Proportional to 302,929.50 and 637,197

Step by Step Solution

1. Step 1: Write the proportion equation
   302,929.50 : 637,197 = 637,197 : x
2. Step 2: Convert to fraction form
   302,929.50/637,197 = 637,197/x
3. Step 3: Cross multiply
   302,929.50x = 637,197 × 637,197
4. Step 4: Simplify right side
   302,929.50x = 406,020,016,809
5. Step 5: Solve for x
   x = 406,020,016,809/302,929.50
6. Step 6: Final answer
   x = 1,340,311.91