Finding the Third Proportional to 305,338 and 652,606.50

Step by Step Solution

1. Step 1: Write the proportion equation
   305,338 : 652,606.50 = 652,606.50 : x
2. Step 2: Convert to fraction form
   305,338/652,606.50 = 652,606.50/x
3. Step 3: Cross multiply
   305,338x = 652,606.50 × 652,606.50
4. Step 4: Simplify right side
   305,338x = 425,895,243,842.25
5. Step 5: Solve for x
   x = 425,895,243,842.25/305,338
6. Step 6: Final answer
   x = 1,394,832.10