Finding the Third Proportional to 307,133.50 and 671,003

Step by Step Solution

1. Step 1: Write the proportion equation
   307,133.50 : 671,003 = 671,003 : x
2. Step 2: Convert to fraction form
   307,133.50/671,003 = 671,003/x
3. Step 3: Cross multiply
   307,133.50x = 671,003 × 671,003
4. Step 4: Simplify right side
   307,133.50x = 450,245,026,009
5. Step 5: Solve for x
   x = 450,245,026,009/307,133.50
6. Step 6: Final answer
   x = 1,465,958.70