Finding the Third Proportional to 300,212.50 and 464,344

Step by Step Solution

1. Step 1: Write the proportion equation
   300,212.50 : 464,344 = 464,344 : x
2. Step 2: Convert to fraction form
   300,212.50/464,344 = 464,344/x
3. Step 3: Cross multiply
   300,212.50x = 464,344 × 464,344
4. Step 4: Simplify right side
   300,212.50x = 215,615,350,336
5. Step 5: Solve for x
   x = 215,615,350,336/300,212.50
6. Step 6: Final answer
   x = 718,209.10