Finding the Third Proportional to 509,090 and 1,150,197

Step by Step Solution

1. Step 1: Write the proportion equation
   509,090 : 1,150,197 = 1,150,197 : x
2. Step 2: Convert to fraction form
   509,090/1,150,197 = 1,150,197/x
3. Step 3: Cross multiply
   509,090x = 1,150,197 × 1,150,197
4. Step 4: Simplify right side
   509,090x = 1,322,953,138,809
5. Step 5: Solve for x
   x = 1,322,953,138,809/509,090
6. Step 6: Final answer
   x = 2,598,662.59