Finding the Third Proportional to 218,044 and 482,720

Step by Step Solution

1. Step 1: Write the proportion equation
   218,044 : 482,720 = 482,720 : x
2. Step 2: Convert to fraction form
   218,044/482,720 = 482,720/x
3. Step 3: Cross multiply
   218,044x = 482,720 × 482,720
4. Step 4: Simplify right side
   218,044x = 233,018,598,400
5. Step 5: Solve for x
   x = 233,018,598,400/218,044
6. Step 6: Final answer
   x = 1,068,676.96