Finding the Third Proportional to 144,900.75 and 314,751

Step by Step Solution

1. Step 1: Write the proportion equation
   144,900.75 : 314,751 = 314,751 : x
2. Step 2: Convert to fraction form
   144,900.75/314,751 = 314,751/x
3. Step 3: Cross multiply
   144,900.75x = 314,751 × 314,751
4. Step 4: Simplify right side
   144,900.75x = 99,068,192,001
5. Step 5: Solve for x
   x = 99,068,192,001/144,900.75
6. Step 6: Final answer
   x = 683,696.89