Finding the Third Proportional to 300,179.25 and 655,762.50

Step by Step Solution

1. Step 1: Write the proportion equation
   300,179.25 : 655,762.50 = 655,762.50 : x
2. Step 2: Convert to fraction form
   300,179.25/655,762.50 = 655,762.50/x
3. Step 3: Cross multiply
   300,179.25x = 655,762.50 × 655,762.50
4. Step 4: Simplify right side
   300,179.25x = 430,024,456,406.25
5. Step 5: Solve for x
   x = 430,024,456,406.25/300,179.25
6. Step 6: Final answer
   x = 1,432,558.90