Finding the Third Proportional to 231,506 and 491,434

Step by Step Solution

1. Step 1: Write the proportion equation
   231,506 : 491,434 = 491,434 : x
2. Step 2: Convert to fraction form
   231,506/491,434 = 491,434/x
3. Step 3: Cross multiply
   231,506x = 491,434 × 491,434
4. Step 4: Simplify right side
   231,506x = 241,507,376,356
5. Step 5: Solve for x
   x = 241,507,376,356/231,506
6. Step 6: Final answer
   x = 1,043,201.37