Finding the Third Proportional to 625,509 and 1,365,715.69

Step by Step Solution

1. Step 1: Write the proportion equation
   625,509 : 1,365,715.69 = 1,365,715.69 : x
2. Step 2: Convert to fraction form
   625,509/1,365,715.69 = 1,365,715.69/x
3. Step 3: Cross multiply
   625,509x = 1,365,715.69 × 1,365,715.69
4. Step 4: Simplify right side
   625,509x = 1,865,179,339,083.60
5. Step 5: Solve for x
   x = 1,865,179,339,083.60/625,509
6. Step 6: Final answer
   x = 2,981,858.52