Finding the Third Proportional to 220,374 and 482,274

Step by Step Solution

1. Step 1: Write the proportion equation
   220,374 : 482,274 = 482,274 : x
2. Step 2: Convert to fraction form
   220,374/482,274 = 482,274/x
3. Step 3: Cross multiply
   220,374x = 482,274 × 482,274
4. Step 4: Simplify right side
   220,374x = 232,588,211,076
5. Step 5: Solve for x
   x = 232,588,211,076/220,374
6. Step 6: Final answer
   x = 1,055,424.92