Finding the Third Proportional to 217,978 and 467,060

Step by Step Solution

1. Step 1: Write the proportion equation
   217,978 : 467,060 = 467,060 : x
2. Step 2: Convert to fraction form
   217,978/467,060 = 467,060/x
3. Step 3: Cross multiply
   217,978x = 467,060 × 467,060
4. Step 4: Simplify right side
   217,978x = 218,145,043,600
5. Step 5: Solve for x
   x = 218,145,043,600/217,978
6. Step 6: Final answer
   x = 1,000,766.33