Finding the Third Proportional to 314,350.50 and 643,227

Step by Step Solution

1. Step 1: Write the proportion equation
   314,350.50 : 643,227 = 643,227 : x
2. Step 2: Convert to fraction form
   314,350.50/643,227 = 643,227/x
3. Step 3: Cross multiply
   314,350.50x = 643,227 × 643,227
4. Step 4: Simplify right side
   314,350.50x = 413,740,973,529
5. Step 5: Solve for x
   x = 413,740,973,529/314,350.50
6. Step 6: Final answer
   x = 1,316,177.24