Finding the Third Proportional to 540,448 and 1,173,200

Step by Step Solution

1. Step 1: Write the proportion equation
   540,448 : 1,173,200 = 1,173,200 : x
2. Step 2: Convert to fraction form
   540,448/1,173,200 = 1,173,200/x
3. Step 3: Cross multiply
   540,448x = 1,173,200 × 1,173,200
4. Step 4: Simplify right side
   540,448x = 1,376,398,240,000
5. Step 5: Solve for x
   x = 1,376,398,240,000/540,448
6. Step 6: Final answer
   x = 2,546,772.75