Finding the Third Proportional to 339,147 and 460,606.50

Step by Step Solution

1. Step 1: Write the proportion equation
   339,147 : 460,606.50 = 460,606.50 : x
2. Step 2: Convert to fraction form
   339,147/460,606.50 = 460,606.50/x
3. Step 3: Cross multiply
   339,147x = 460,606.50 × 460,606.50
4. Step 4: Simplify right side
   339,147x = 212,158,347,842.25
5. Step 5: Solve for x
   x = 212,158,347,842.25/339,147
6. Step 6: Final answer
   x = 625,564.57