Finding the Third Proportional to 301,069.50 and 661,185

Step by Step Solution

1. Step 1: Write the proportion equation
   301,069.50 : 661,185 = 661,185 : x
2. Step 2: Convert to fraction form
   301,069.50/661,185 = 661,185/x
3. Step 3: Cross multiply
   301,069.50x = 661,185 × 661,185
4. Step 4: Simplify right side
   301,069.50x = 437,165,604,225
5. Step 5: Solve for x
   x = 437,165,604,225/301,069.50
6. Step 6: Final answer
   x = 1,452,042.15