Finding the Third Proportional to 300,403.50 and 464,986.50

Step by Step Solution

1. Step 1: Write the proportion equation
   300,403.50 : 464,986.50 = 464,986.50 : x
2. Step 2: Convert to fraction form
   300,403.50/464,986.50 = 464,986.50/x
3. Step 3: Cross multiply
   300,403.50x = 464,986.50 × 464,986.50
4. Step 4: Simplify right side
   300,403.50x = 216,212,445,182.25
5. Step 5: Solve for x
   x = 216,212,445,182.25/300,403.50
6. Step 6: Final answer
   x = 719,740.10