Finding the Third Proportional to 340,383 and 743,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   340,383 : 743,086.50 = 743,086.50 : x
2. Step 2: Convert to fraction form
   340,383/743,086.50 = 743,086.50/x
3. Step 3: Cross multiply
   340,383x = 743,086.50 × 743,086.50
4. Step 4: Simplify right side
   340,383x = 552,177,546,482.25
5. Step 5: Solve for x
   x = 552,177,546,482.25/340,383
6. Step 6: Final answer
   x = 1,622,224.22