Finding the Third Proportional to 307,241.50 and 670,764

Step by Step Solution

1. Step 1: Write the proportion equation
   307,241.50 : 670,764 = 670,764 : x
2. Step 2: Convert to fraction form
   307,241.50/670,764 = 670,764/x
3. Step 3: Cross multiply
   307,241.50x = 670,764 × 670,764
4. Step 4: Simplify right side
   307,241.50x = 449,924,343,696
5. Step 5: Solve for x
   x = 449,924,343,696/307,241.50
6. Step 6: Final answer
   x = 1,464,399.65