Finding the Third Proportional to 549,399 and 1,140,903

Step by Step Solution

1. Step 1: Write the proportion equation
   549,399 : 1,140,903 = 1,140,903 : x
2. Step 2: Convert to fraction form
   549,399/1,140,903 = 1,140,903/x
3. Step 3: Cross multiply
   549,399x = 1,140,903 × 1,140,903
4. Step 4: Simplify right side
   549,399x = 1,301,659,655,409
5. Step 5: Solve for x
   x = 1,301,659,655,409/549,399
6. Step 6: Final answer
   x = 2,369,242.86