Finding the Third Proportional to 307,114.03 and 664,164.56

Step by Step Solution

1. Step 1: Write the proportion equation
   307,114.03 : 664,164.56 = 664,164.56 : x
2. Step 2: Convert to fraction form
   307,114.03/664,164.56 = 664,164.56/x
3. Step 3: Cross multiply
   307,114.03x = 664,164.56 × 664,164.56
4. Step 4: Simplify right side
   307,114.03x = 441,114,566,080.82
5. Step 5: Solve for x
   x = 441,114,566,080.82/307,114.03
6. Step 6: Final answer
   x = 1,436,321.76