Finding the Third Proportional to 549,480 and 1,158,000

Step by Step Solution

1. Step 1: Write the proportion equation
   549,480 : 1,158,000 = 1,158,000 : x
2. Step 2: Convert to fraction form
   549,480/1,158,000 = 1,158,000/x
3. Step 3: Cross multiply
   549,480x = 1,158,000 × 1,158,000
4. Step 4: Simplify right side
   549,480x = 1,340,964,000,000
5. Step 5: Solve for x
   x = 1,340,964,000,000/549,480
6. Step 6: Final answer
   x = 2,440,423.67