Finding the Third Proportional to 251,680.50 and 553,095

Step by Step Solution

1. Step 1: Write the proportion equation
   251,680.50 : 553,095 = 553,095 : x
2. Step 2: Convert to fraction form
   251,680.50/553,095 = 553,095/x
3. Step 3: Cross multiply
   251,680.50x = 553,095 × 553,095
4. Step 4: Simplify right side
   251,680.50x = 305,914,079,025
5. Step 5: Solve for x
   x = 305,914,079,025/251,680.50
6. Step 6: Final answer
   x = 1,215,485.82