Finding the Third Proportional to 306,004.50 and 662,856

Step by Step Solution

1. Step 1: Write the proportion equation
   306,004.50 : 662,856 = 662,856 : x
2. Step 2: Convert to fraction form
   306,004.50/662,856 = 662,856/x
3. Step 3: Cross multiply
   306,004.50x = 662,856 × 662,856
4. Step 4: Simplify right side
   306,004.50x = 439,378,076,736
5. Step 5: Solve for x
   x = 439,378,076,736/306,004.50
6. Step 6: Final answer
   x = 1,435,854.95