Finding the Third Proportional to 348,308.25 and 711,372

Step by Step Solution

1. Step 1: Write the proportion equation
   348,308.25 : 711,372 = 711,372 : x
2. Step 2: Convert to fraction form
   348,308.25/711,372 = 711,372/x
3. Step 3: Cross multiply
   348,308.25x = 711,372 × 711,372
4. Step 4: Simplify right side
   348,308.25x = 506,050,122,384
5. Step 5: Solve for x
   x = 506,050,122,384/348,308.25
6. Step 6: Final answer
   x = 1,452,880.09