Finding the Third Proportional to 314,116 and 697,928

Step by Step Solution

1. Step 1: Write the proportion equation
   314,116 : 697,928 = 697,928 : x
2. Step 2: Convert to fraction form
   314,116/697,928 = 697,928/x
3. Step 3: Cross multiply
   314,116x = 697,928 × 697,928
4. Step 4: Simplify right side
   314,116x = 487,103,493,184
5. Step 5: Solve for x
   x = 487,103,493,184/314,116
6. Step 6: Final answer
   x = 1,550,712.14