Finding the Third Proportional to 549,588 and 1,158,216

Step by Step Solution

1. Step 1: Write the proportion equation
   549,588 : 1,158,216 = 1,158,216 : x
2. Step 2: Convert to fraction form
   549,588/1,158,216 = 1,158,216/x
3. Step 3: Cross multiply
   549,588x = 1,158,216 × 1,158,216
4. Step 4: Simplify right side
   549,588x = 1,341,464,302,656
5. Step 5: Solve for x
   x = 1,341,464,302,656/549,588
6. Step 6: Final answer
   x = 2,440,854.43