Finding the Third Proportional to 549,112 and 1,203,200

Step by Step Solution

1. Step 1: Write the proportion equation
   549,112 : 1,203,200 = 1,203,200 : x
2. Step 2: Convert to fraction form
   549,112/1,203,200 = 1,203,200/x
3. Step 3: Cross multiply
   549,112x = 1,203,200 × 1,203,200
4. Step 4: Simplify right side
   549,112x = 1,447,690,240,000
5. Step 5: Solve for x
   x = 1,447,690,240,000/549,112
6. Step 6: Final answer
   x = 2,636,420.69