Finding the Third Proportional to 220,322 and 482,820

Step by Step Solution

1. Step 1: Write the proportion equation
   220,322 : 482,820 = 482,820 : x
2. Step 2: Convert to fraction form
   220,322/482,820 = 482,820/x
3. Step 3: Cross multiply
   220,322x = 482,820 × 482,820
4. Step 4: Simplify right side
   220,322x = 233,115,152,400
5. Step 5: Solve for x
   x = 233,115,152,400/220,322
6. Step 6: Final answer
   x = 1,058,065.71