Finding the Third Proportional to 493,200 and 1,077,720

Step by Step Solution

1. Step 1: Write the proportion equation
   493,200 : 1,077,720 = 1,077,720 : x
2. Step 2: Convert to fraction form
   493,200/1,077,720 = 1,077,720/x
3. Step 3: Cross multiply
   493,200x = 1,077,720 × 1,077,720
4. Step 4: Simplify right side
   493,200x = 1,161,480,398,400
5. Step 5: Solve for x
   x = 1,161,480,398,400/493,200
6. Step 6: Final answer
   x = 2,354,988.64