Finding the Third Proportional to 348,287.50 and 711,334

Step by Step Solution

1. Step 1: Write the proportion equation
   348,287.50 : 711,334 = 711,334 : x
2. Step 2: Convert to fraction form
   348,287.50/711,334 = 711,334/x
3. Step 3: Cross multiply
   348,287.50x = 711,334 × 711,334
4. Step 4: Simplify right side
   348,287.50x = 505,996,059,556
5. Step 5: Solve for x
   x = 505,996,059,556/348,287.50
6. Step 6: Final answer
   x = 1,452,811.43