Finding the Third Proportional to 143,010 and 314,676

Step by Step Solution

1. Step 1: Write the proportion equation
   143,010 : 314,676 = 314,676 : x
2. Step 2: Convert to fraction form
   143,010/314,676 = 314,676/x
3. Step 3: Cross multiply
   143,010x = 314,676 × 314,676
4. Step 4: Simplify right side
   143,010x = 99,020,984,976
5. Step 5: Solve for x
   x = 99,020,984,976/143,010
6. Step 6: Final answer
   x = 692,406.02