Finding the Third Proportional to 302,112 and 705,600

Step by Step Solution

1. Step 1: Write the proportion equation
   302,112 : 705,600 = 705,600 : x
2. Step 2: Convert to fraction form
   302,112/705,600 = 705,600/x
3. Step 3: Cross multiply
   302,112x = 705,600 × 705,600
4. Step 4: Simplify right side
   302,112x = 497,871,360,000
5. Step 5: Solve for x
   x = 497,871,360,000/302,112
6. Step 6: Final answer
   x = 1,647,969.49