Finding the Third Proportional to 2,378,985 and 3,391,329

Step by Step Solution

1. Step 1: Write the proportion equation
   2,378,985 : 3,391,329 = 3,391,329 : x
2. Step 2: Convert to fraction form
   2,378,985/3,391,329 = 3,391,329/x
3. Step 3: Cross multiply
   2,378,985x = 3,391,329 × 3,391,329
4. Step 4: Simplify right side
   2,378,985x = 11,501,112,386,241
5. Step 5: Solve for x
   x = 11,501,112,386,241/2,378,985
6. Step 6: Final answer
   x = 4,834,461.92