Finding the Third Proportional to 350,740 and 760,500

Step by Step Solution

1. Step 1: Write the proportion equation
   350,740 : 760,500 = 760,500 : x
2. Step 2: Convert to fraction form
   350,740/760,500 = 760,500/x
3. Step 3: Cross multiply
   350,740x = 760,500 × 760,500
4. Step 4: Simplify right side
   350,740x = 578,360,250,000
5. Step 5: Solve for x
   x = 578,360,250,000/350,740
6. Step 6: Final answer
   x = 1,648,971.46