Finding the Third Proportional to 288,087.75 and 436,095

Step by Step Solution

1. Step 1: Write the proportion equation
   288,087.75 : 436,095 = 436,095 : x
2. Step 2: Convert to fraction form
   288,087.75/436,095 = 436,095/x
3. Step 3: Cross multiply
   288,087.75x = 436,095 × 436,095
4. Step 4: Simplify right side
   288,087.75x = 190,178,849,025
5. Step 5: Solve for x
   x = 190,178,849,025/288,087.75
6. Step 6: Final answer
   x = 660,142.09