Finding the Third Proportional to 229,263.50 and 539,446

Step by Step Solution

1. Step 1: Write the proportion equation
   229,263.50 : 539,446 = 539,446 : x
2. Step 2: Convert to fraction form
   229,263.50/539,446 = 539,446/x
3. Step 3: Cross multiply
   229,263.50x = 539,446 × 539,446
4. Step 4: Simplify right side
   229,263.50x = 291,001,986,916
5. Step 5: Solve for x
   x = 291,001,986,916/229,263.50
6. Step 6: Final answer
   x = 1,269,290.52