Finding the Third Proportional to 549,528 and 1,171,640

Step by Step Solution

1. Step 1: Write the proportion equation
   549,528 : 1,171,640 = 1,171,640 : x
2. Step 2: Convert to fraction form
   549,528/1,171,640 = 1,171,640/x
3. Step 3: Cross multiply
   549,528x = 1,171,640 × 1,171,640
4. Step 4: Simplify right side
   549,528x = 1,372,740,289,600
5. Step 5: Solve for x
   x = 1,372,740,289,600/549,528
6. Step 6: Final answer
   x = 2,498,035.20