Finding the Third Proportional to 302,212.50 and 662,550

Step by Step Solution

1. Step 1: Write the proportion equation
   302,212.50 : 662,550 = 662,550 : x
2. Step 2: Convert to fraction form
   302,212.50/662,550 = 662,550/x
3. Step 3: Cross multiply
   302,212.50x = 662,550 × 662,550
4. Step 4: Simplify right side
   302,212.50x = 438,972,502,500
5. Step 5: Solve for x
   x = 438,972,502,500/302,212.50
6. Step 6: Final answer
   x = 1,452,529.27