Finding the Third Proportional to 549,518 and 1,171,620

Step by Step Solution

1. Step 1: Write the proportion equation
   549,518 : 1,171,620 = 1,171,620 : x
2. Step 2: Convert to fraction form
   549,518/1,171,620 = 1,171,620/x
3. Step 3: Cross multiply
   549,518x = 1,171,620 × 1,171,620
4. Step 4: Simplify right side
   549,518x = 1,372,693,424,400
5. Step 5: Solve for x
   x = 1,372,693,424,400/549,518
6. Step 6: Final answer
   x = 2,497,995.38