Finding the Third Proportional to 314,104.50 and 697,869

Step by Step Solution

1. Step 1: Write the proportion equation
   314,104.50 : 697,869 = 697,869 : x
2. Step 2: Convert to fraction form
   314,104.50/697,869 = 697,869/x
3. Step 3: Cross multiply
   314,104.50x = 697,869 × 697,869
4. Step 4: Simplify right side
   314,104.50x = 487,021,141,161
5. Step 5: Solve for x
   x = 487,021,141,161/314,104.50
6. Step 6: Final answer
   x = 1,550,506.73