Finding the Third Proportional to 260,744 and 549,510

Step by Step Solution

1. Step 1: Write the proportion equation
   260,744 : 549,510 = 549,510 : x
2. Step 2: Convert to fraction form
   260,744/549,510 = 549,510/x
3. Step 3: Cross multiply
   260,744x = 549,510 × 549,510
4. Step 4: Simplify right side
   260,744x = 301,961,240,100
5. Step 5: Solve for x
   x = 301,961,240,100/260,744
6. Step 6: Final answer
   x = 1,158,075.51