Finding the Third Proportional to 231,710 and 340,046

Step by Step Solution

1. Step 1: Write the proportion equation
   231,710 : 340,046 = 340,046 : x
2. Step 2: Convert to fraction form
   231,710/340,046 = 340,046/x
3. Step 3: Cross multiply
   231,710x = 340,046 × 340,046
4. Step 4: Simplify right side
   231,710x = 115,631,282,116
5. Step 5: Solve for x
   x = 115,631,282,116/231,710
6. Step 6: Final answer
   x = 499,034.49