Finding the Third Proportional to 218,064 and 474,960

Step by Step Solution

1. Step 1: Write the proportion equation
   218,064 : 474,960 = 474,960 : x
2. Step 2: Convert to fraction form
   218,064/474,960 = 474,960/x
3. Step 3: Cross multiply
   218,064x = 474,960 × 474,960
4. Step 4: Simplify right side
   218,064x = 225,587,001,600
5. Step 5: Solve for x
   x = 225,587,001,600/218,064
6. Step 6: Final answer
   x = 1,034,499.05