Finding the Third Proportional to 1,397,740 and 3,060,080

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,740 : 3,060,080 = 3,060,080 : x
2. Step 2: Convert to fraction form
   1,397,740/3,060,080 = 3,060,080/x
3. Step 3: Cross multiply
   1,397,740x = 3,060,080 × 3,060,080
4. Step 4: Simplify right side
   1,397,740x = 9,364,089,606,400
5. Step 5: Solve for x
   x = 9,364,089,606,400/1,397,740
6. Step 6: Final answer
   x = 6,699,450.26