Finding the Third Proportional to 710,740 and 1,554,345

Step by Step Solution

1. Step 1: Write the proportion equation
   710,740 : 1,554,345 = 1,554,345 : x
2. Step 2: Convert to fraction form
   710,740/1,554,345 = 1,554,345/x
3. Step 3: Cross multiply
   710,740x = 1,554,345 × 1,554,345
4. Step 4: Simplify right side
   710,740x = 2,415,988,379,025
5. Step 5: Solve for x
   x = 2,415,988,379,025/710,740
6. Step 6: Final answer
   x = 3,399,257.65