Finding the Third Proportional to 603,316 and 1,191,400

Step by Step Solution

1. Step 1: Write the proportion equation
   603,316 : 1,191,400 = 1,191,400 : x
2. Step 2: Convert to fraction form
   603,316/1,191,400 = 1,191,400/x
3. Step 3: Cross multiply
   603,316x = 1,191,400 × 1,191,400
4. Step 4: Simplify right side
   603,316x = 1,419,433,960,000
5. Step 5: Solve for x
   x = 1,419,433,960,000/603,316
6. Step 6: Final answer
   x = 2,352,720.56