Finding the Third Proportional to 398,361 and 933,208.50

Step by Step Solution

1. Step 1: Write the proportion equation
   398,361 : 933,208.50 = 933,208.50 : x
2. Step 2: Convert to fraction form
   398,361/933,208.50 = 933,208.50/x
3. Step 3: Cross multiply
   398,361x = 933,208.50 × 933,208.50
4. Step 4: Simplify right side
   398,361x = 870,878,104,472.25
5. Step 5: Solve for x
   x = 870,878,104,472.25/398,361
6. Step 6: Final answer
   x = 2,186,153.02