Finding the Third Proportional to 190,948.50 and 397,584

Step by Step Solution

1. Step 1: Write the proportion equation
   190,948.50 : 397,584 = 397,584 : x
2. Step 2: Convert to fraction form
   190,948.50/397,584 = 397,584/x
3. Step 3: Cross multiply
   190,948.50x = 397,584 × 397,584
4. Step 4: Simplify right side
   190,948.50x = 158,073,037,056
5. Step 5: Solve for x
   x = 158,073,037,056/190,948.50
6. Step 6: Final answer
   x = 827,830.73