Finding the Third Proportional to 271,666 and 590,005

Step by Step Solution

1. Step 1: Write the proportion equation
   271,666 : 590,005 = 590,005 : x
2. Step 2: Convert to fraction form
   271,666/590,005 = 590,005/x
3. Step 3: Cross multiply
   271,666x = 590,005 × 590,005
4. Step 4: Simplify right side
   271,666x = 348,105,900,025
5. Step 5: Solve for x
   x = 348,105,900,025/271,666
6. Step 6: Final answer
   x = 1,281,374.56