Finding the Third Proportional to 190,995 and 290,644.50

Step by Step Solution

1. Step 1: Write the proportion equation
   190,995 : 290,644.50 = 290,644.50 : x
2. Step 2: Convert to fraction form
   190,995/290,644.50 = 290,644.50/x
3. Step 3: Cross multiply
   190,995x = 290,644.50 × 290,644.50
4. Step 4: Simplify right side
   190,995x = 84,474,225,380.25
5. Step 5: Solve for x
   x = 84,474,225,380.25/190,995
6. Step 6: Final answer
   x = 442,285.01