Finding the Third Proportional to 288,334.69 and 436,807.69

Step by Step Solution

1. Step 1: Write the proportion equation
   288,334.69 : 436,807.69 = 436,807.69 : x
2. Step 2: Convert to fraction form
   288,334.69/436,807.69 = 436,807.69/x
3. Step 3: Cross multiply
   288,334.69x = 436,807.69 × 436,807.69
4. Step 4: Simplify right side
   288,334.69x = 190,800,955,859.10
5. Step 5: Solve for x
   x = 190,800,955,859.10/288,334.69
6. Step 6: Final answer
   x = 661,734.31