Finding the Third Proportional to 665,269.88 and 1,042,411.50

Step by Step Solution

1. Step 1: Write the proportion equation
   665,269.88 : 1,042,411.50 = 1,042,411.50 : x
2. Step 2: Convert to fraction form
   665,269.88/1,042,411.50 = 1,042,411.50/x
3. Step 3: Cross multiply
   665,269.88x = 1,042,411.50 × 1,042,411.50
4. Step 4: Simplify right side
   665,269.88x = 1,086,621,735,332.25
5. Step 5: Solve for x
   x = 1,086,621,735,332.25/665,269.88
6. Step 6: Final answer
   x = 1,633,354.79