Finding the Third Proportional to 576,090 and 843,300

Step by Step Solution

1. Step 1: Write the proportion equation
   576,090 : 843,300 = 843,300 : x
2. Step 2: Convert to fraction form
   576,090/843,300 = 843,300/x
3. Step 3: Cross multiply
   576,090x = 843,300 × 843,300
4. Step 4: Simplify right side
   576,090x = 711,154,890,000
5. Step 5: Solve for x
   x = 711,154,890,000/576,090
6. Step 6: Final answer
   x = 1,234,451.02