Finding the Third Proportional to 388,197 and 848,362.50

Step by Step Solution

1. Step 1: Write the proportion equation
   388,197 : 848,362.50 = 848,362.50 : x
2. Step 2: Convert to fraction form
   388,197/848,362.50 = 848,362.50/x
3. Step 3: Cross multiply
   388,197x = 848,362.50 × 848,362.50
4. Step 4: Simplify right side
   388,197x = 719,718,931,406.25
5. Step 5: Solve for x
   x = 719,718,931,406.25/388,197
6. Step 6: Final answer
   x = 1,854,004.36