Finding the Third Proportional to 309,094.31 and 659,014.31

Step by Step Solution

1. Step 1: Write the proportion equation
   309,094.31 : 659,014.31 = 659,014.31 : x
2. Step 2: Convert to fraction form
   309,094.31/659,014.31 = 659,014.31/x
3. Step 3: Cross multiply
   309,094.31x = 659,014.31 × 659,014.31
4. Step 4: Simplify right side
   309,094.31x = 434,299,864,079.85
5. Step 5: Solve for x
   x = 434,299,864,079.85/309,094.31
6. Step 6: Final answer
   x = 1,405,072.32