Finding the Third Proportional to 388,069.50 and 848,274

Step by Step Solution

1. Step 1: Write the proportion equation
   388,069.50 : 848,274 = 848,274 : x
2. Step 2: Convert to fraction form
   388,069.50/848,274 = 848,274/x
3. Step 3: Cross multiply
   388,069.50x = 848,274 × 848,274
4. Step 4: Simplify right side
   388,069.50x = 719,568,779,076
5. Step 5: Solve for x
   x = 719,568,779,076/388,069.50
6. Step 6: Final answer
   x = 1,854,226.57