Finding the Third Proportional to 490,069 and 1,055,229

Step by Step Solution

1. Step 1: Write the proportion equation
   490,069 : 1,055,229 = 1,055,229 : x
2. Step 2: Convert to fraction form
   490,069/1,055,229 = 1,055,229/x
3. Step 3: Cross multiply
   490,069x = 1,055,229 × 1,055,229
4. Step 4: Simplify right side
   490,069x = 1,113,508,242,441
5. Step 5: Solve for x
   x = 1,113,508,242,441/490,069
6. Step 6: Final answer
   x = 2,272,145.85