Finding the Third Proportional to 549,591 and 1,158,222

Step by Step Solution

1. Step 1: Write the proportion equation
   549,591 : 1,158,222 = 1,158,222 : x
2. Step 2: Convert to fraction form
   549,591/1,158,222 = 1,158,222/x
3. Step 3: Cross multiply
   549,591x = 1,158,222 × 1,158,222
4. Step 4: Simplify right side
   549,591x = 1,341,478,201,284
5. Step 5: Solve for x
   x = 1,341,478,201,284/549,591
6. Step 6: Final answer
   x = 2,440,866.39