Finding the Third Proportional to 638,595 and 981,850.50

Step by Step Solution

1. Step 1: Write the proportion equation
   638,595 : 981,850.50 = 981,850.50 : x
2. Step 2: Convert to fraction form
   638,595/981,850.50 = 981,850.50/x
3. Step 3: Cross multiply
   638,595x = 981,850.50 × 981,850.50
4. Step 4: Simplify right side
   638,595x = 964,030,404,350.25
5. Step 5: Solve for x
   x = 964,030,404,350.25/638,595
6. Step 6: Final answer
   x = 1,509,611.58