Finding the Third Proportional to 710,040 and 1,557,778

Step by Step Solution

1. Step 1: Write the proportion equation
   710,040 : 1,557,778 = 1,557,778 : x
2. Step 2: Convert to fraction form
   710,040/1,557,778 = 1,557,778/x
3. Step 3: Cross multiply
   710,040x = 1,557,778 × 1,557,778
4. Step 4: Simplify right side
   710,040x = 2,426,672,297,284
5. Step 5: Solve for x
   x = 2,426,672,297,284/710,040
6. Step 6: Final answer
   x = 3,417,655.76