Finding the Third Proportional to 300,404.75 and 464,989.50

Step by Step Solution

1. Step 1: Write the proportion equation
   300,404.75 : 464,989.50 = 464,989.50 : x
2. Step 2: Convert to fraction form
   300,404.75/464,989.50 = 464,989.50/x
3. Step 3: Cross multiply
   300,404.75x = 464,989.50 × 464,989.50
4. Step 4: Simplify right side
   300,404.75x = 216,215,235,110.25
5. Step 5: Solve for x
   x = 216,215,235,110.25/300,404.75
6. Step 6: Final answer
   x = 719,746.39