Finding the Third Proportional to 355,200 and 755,600

Step by Step Solution

1. Step 1: Write the proportion equation
   355,200 : 755,600 = 755,600 : x
2. Step 2: Convert to fraction form
   355,200/755,600 = 755,600/x
3. Step 3: Cross multiply
   355,200x = 755,600 × 755,600
4. Step 4: Simplify right side
   355,200x = 570,931,360,000
5. Step 5: Solve for x
   x = 570,931,360,000/355,200
6. Step 6: Final answer
   x = 1,607,351.80