Finding the Third Proportional to 493,520 and 1,057,120

Step by Step Solution

1. Step 1: Write the proportion equation
   493,520 : 1,057,120 = 1,057,120 : x
2. Step 2: Convert to fraction form
   493,520/1,057,120 = 1,057,120/x
3. Step 3: Cross multiply
   493,520x = 1,057,120 × 1,057,120
4. Step 4: Simplify right side
   493,520x = 1,117,502,694,400
5. Step 5: Solve for x
   x = 1,117,502,694,400/493,520
6. Step 6: Final answer
   x = 2,264,351.38