Finding the Third Proportional to 388,084.50 and 848,312

Step by Step Solution

1. Step 1: Write the proportion equation
   388,084.50 : 848,312 = 848,312 : x
2. Step 2: Convert to fraction form
   388,084.50/848,312 = 848,312/x
3. Step 3: Cross multiply
   388,084.50x = 848,312 × 848,312
4. Step 4: Simplify right side
   388,084.50x = 719,633,249,344
5. Step 5: Solve for x
   x = 719,633,249,344/388,084.50
6. Step 6: Final answer
   x = 1,854,321.03