Finding the Third Proportional to 350,406 and 753,300

Step by Step Solution

1. Step 1: Write the proportion equation
   350,406 : 753,300 = 753,300 : x
2. Step 2: Convert to fraction form
   350,406/753,300 = 753,300/x
3. Step 3: Cross multiply
   350,406x = 753,300 × 753,300
4. Step 4: Simplify right side
   350,406x = 567,460,890,000
5. Step 5: Solve for x
   x = 567,460,890,000/350,406
6. Step 6: Final answer
   x = 1,619,438.28