Finding the Third Proportional to 349,326 and 711,498.38

Step by Step Solution

1. Step 1: Write the proportion equation
   349,326 : 711,498.38 = 711,498.38 : x
2. Step 2: Convert to fraction form
   349,326/711,498.38 = 711,498.38/x
3. Step 3: Cross multiply
   349,326x = 711,498.38 × 711,498.38
4. Step 4: Simplify right side
   349,326x = 506,229,937,627.64
5. Step 5: Solve for x
   x = 506,229,937,627.64/349,326
6. Step 6: Final answer
   x = 1,449,161.92