Finding the Third Proportional to 549,396 and 1,140,900

Step by Step Solution

1. Step 1: Write the proportion equation
   549,396 : 1,140,900 = 1,140,900 : x
2. Step 2: Convert to fraction form
   549,396/1,140,900 = 1,140,900/x
3. Step 3: Cross multiply
   549,396x = 1,140,900 × 1,140,900
4. Step 4: Simplify right side
   549,396x = 1,301,652,810,000
5. Step 5: Solve for x
   x = 1,301,652,810,000/549,396
6. Step 6: Final answer
   x = 2,369,243.33