Finding the Third Proportional to 223,291.69 and 340,164.56

Step by Step Solution

1. Step 1: Write the proportion equation
   223,291.69 : 340,164.56 = 340,164.56 : x
2. Step 2: Convert to fraction form
   223,291.69/340,164.56 = 340,164.56/x
3. Step 3: Cross multiply
   223,291.69x = 340,164.56 × 340,164.56
4. Step 4: Simplify right side
   223,291.69x = 115,711,929,580.82
5. Step 5: Solve for x
   x = 115,711,929,580.82/223,291.69
6. Step 6: Final answer
   x = 518,209.75