Finding the Third Proportional to 605,808 and 1,329,120

Step by Step Solution

1. Step 1: Write the proportion equation
   605,808 : 1,329,120 = 1,329,120 : x
2. Step 2: Convert to fraction form
   605,808/1,329,120 = 1,329,120/x
3. Step 3: Cross multiply
   605,808x = 1,329,120 × 1,329,120
4. Step 4: Simplify right side
   605,808x = 1,766,559,974,400
5. Step 5: Solve for x
   x = 1,766,559,974,400/605,808
6. Step 6: Final answer
   x = 2,916,039.36