Finding the Third Proportional to 549,540 and 1,158,120

Step by Step Solution

1. Step 1: Write the proportion equation
   549,540 : 1,158,120 = 1,158,120 : x
2. Step 2: Convert to fraction form
   549,540/1,158,120 = 1,158,120/x
3. Step 3: Cross multiply
   549,540x = 1,158,120 × 1,158,120
4. Step 4: Simplify right side
   549,540x = 1,341,241,934,400
5. Step 5: Solve for x
   x = 1,341,241,934,400/549,540
6. Step 6: Final answer
   x = 2,440,662.98