Finding the Third Proportional to 301,303.50 and 656,430

Step by Step Solution

1. Step 1: Write the proportion equation
   301,303.50 : 656,430 = 656,430 : x
2. Step 2: Convert to fraction form
   301,303.50/656,430 = 656,430/x
3. Step 3: Cross multiply
   301,303.50x = 656,430 × 656,430
4. Step 4: Simplify right side
   301,303.50x = 430,900,344,900
5. Step 5: Solve for x
   x = 430,900,344,900/301,303.50
6. Step 6: Final answer
   x = 1,430,120.61