Finding the Third Proportional to 345,114 and 706,960

Step by Step Solution

1. Step 1: Write the proportion equation
   345,114 : 706,960 = 706,960 : x
2. Step 2: Convert to fraction form
   345,114/706,960 = 706,960/x
3. Step 3: Cross multiply
   345,114x = 706,960 × 706,960
4. Step 4: Simplify right side
   345,114x = 499,792,441,600
5. Step 5: Solve for x
   x = 499,792,441,600/345,114
6. Step 6: Final answer
   x = 1,448,195.21