Finding the Third Proportional to 388,087.50 and 848,316

Step by Step Solution

1. Step 1: Write the proportion equation
   388,087.50 : 848,316 = 848,316 : x
2. Step 2: Convert to fraction form
   388,087.50/848,316 = 848,316/x
3. Step 3: Cross multiply
   388,087.50x = 848,316 × 848,316
4. Step 4: Simplify right side
   388,087.50x = 719,640,035,856
5. Step 5: Solve for x
   x = 719,640,035,856/388,087.50
6. Step 6: Final answer
   x = 1,854,324.18