Finding the Third Proportional to 609,413 and 1,320,526

Step by Step Solution

1. Step 1: Write the proportion equation
   609,413 : 1,320,526 = 1,320,526 : x
2. Step 2: Convert to fraction form
   609,413/1,320,526 = 1,320,526/x
3. Step 3: Cross multiply
   609,413x = 1,320,526 × 1,320,526
4. Step 4: Simplify right side
   609,413x = 1,743,788,916,676
5. Step 5: Solve for x
   x = 1,743,788,916,676/609,413
6. Step 6: Final answer
   x = 2,861,423.89