Finding the Third Proportional to 194,978 and 425,212

Step by Step Solution

1. Step 1: Write the proportion equation
   194,978 : 425,212 = 425,212 : x
2. Step 2: Convert to fraction form
   194,978/425,212 = 425,212/x
3. Step 3: Cross multiply
   194,978x = 425,212 × 425,212
4. Step 4: Simplify right side
   194,978x = 180,805,244,944
5. Step 5: Solve for x
   x = 180,805,244,944/194,978
6. Step 6: Final answer
   x = 927,311.00