Finding the Third Proportional to 1,503,924 and 3,131,778

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503,924 : 3,131,778 = 3,131,778 : x
2. Step 2: Convert to fraction form
   1,503,924/3,131,778 = 3,131,778/x
3. Step 3: Cross multiply
   1,503,924x = 3,131,778 × 3,131,778
4. Step 4: Simplify right side
   1,503,924x = 9,808,033,441,284
5. Step 5: Solve for x
   x = 9,808,033,441,284/1,503,924
6. Step 6: Final answer
   x = 6,521,628.38