Finding the Third Proportional to 388,141.50 and 848,697

Step by Step Solution

1. Step 1: Write the proportion equation
   388,141.50 : 848,697 = 848,697 : x
2. Step 2: Convert to fraction form
   388,141.50/848,697 = 848,697/x
3. Step 3: Cross multiply
   388,141.50x = 848,697 × 848,697
4. Step 4: Simplify right side
   388,141.50x = 720,286,597,809
5. Step 5: Solve for x
   x = 720,286,597,809/388,141.50
6. Step 6: Final answer
   x = 1,855,731.99