Finding the Third Proportional to 197,939.50 and 402,896

Step by Step Solution

1. Step 1: Write the proportion equation
   197,939.50 : 402,896 = 402,896 : x
2. Step 2: Convert to fraction form
   197,939.50/402,896 = 402,896/x
3. Step 3: Cross multiply
   197,939.50x = 402,896 × 402,896
4. Step 4: Simplify right side
   197,939.50x = 162,325,186,816
5. Step 5: Solve for x
   x = 162,325,186,816/197,939.50
6. Step 6: Final answer
   x = 820,074.75