Finding the Third Proportional to 324,544.50 and 708,138

Step by Step Solution

1. Step 1: Write the proportion equation
   324,544.50 : 708,138 = 708,138 : x
2. Step 2: Convert to fraction form
   324,544.50/708,138 = 708,138/x
3. Step 3: Cross multiply
   324,544.50x = 708,138 × 708,138
4. Step 4: Simplify right side
   324,544.50x = 501,459,427,044
5. Step 5: Solve for x
   x = 501,459,427,044/324,544.50
6. Step 6: Final answer
   x = 1,545,117.62