Finding the Third Proportional to 454,806 and 706,189.50

Step by Step Solution

1. Step 1: Write the proportion equation
   454,806 : 706,189.50 = 706,189.50 : x
2. Step 2: Convert to fraction form
   454,806/706,189.50 = 706,189.50/x
3. Step 3: Cross multiply
   454,806x = 706,189.50 × 706,189.50
4. Step 4: Simplify right side
   454,806x = 498,703,609,910.25
5. Step 5: Solve for x
   x = 498,703,609,910.25/454,806
6. Step 6: Final answer
   x = 1,096,519.42