Finding the Third Proportional to 354,715.50 and 726,006

Step by Step Solution

1. Step 1: Write the proportion equation
   354,715.50 : 726,006 = 726,006 : x
2. Step 2: Convert to fraction form
   354,715.50/726,006 = 726,006/x
3. Step 3: Cross multiply
   354,715.50x = 726,006 × 726,006
4. Step 4: Simplify right side
   354,715.50x = 527,084,712,036
5. Step 5: Solve for x
   x = 527,084,712,036/354,715.50
6. Step 6: Final answer
   x = 1,485,936.51