Finding the Third Proportional to 305,224.50 and 661,296

Step by Step Solution

1. Step 1: Write the proportion equation
   305,224.50 : 661,296 = 661,296 : x
2. Step 2: Convert to fraction form
   305,224.50/661,296 = 661,296/x
3. Step 3: Cross multiply
   305,224.50x = 661,296 × 661,296
4. Step 4: Simplify right side
   305,224.50x = 437,312,399,616
5. Step 5: Solve for x
   x = 437,312,399,616/305,224.50
6. Step 6: Final answer
   x = 1,432,756.54