Finding the Third Proportional to 388,081.50 and 848,307

Step by Step Solution

1. Step 1: Write the proportion equation
   388,081.50 : 848,307 = 848,307 : x
2. Step 2: Convert to fraction form
   388,081.50/848,307 = 848,307/x
3. Step 3: Cross multiply
   388,081.50x = 848,307 × 848,307
4. Step 4: Simplify right side
   388,081.50x = 719,624,766,249
5. Step 5: Solve for x
   x = 719,624,766,249/388,081.50
6. Step 6: Final answer
   x = 1,854,313.50