Finding the Third Proportional to 2,378,560 and 3,390,688

Step by Step Solution

1. Step 1: Write the proportion equation
   2,378,560 : 3,390,688 = 3,390,688 : x
2. Step 2: Convert to fraction form
   2,378,560/3,390,688 = 3,390,688/x
3. Step 3: Cross multiply
   2,378,560x = 3,390,688 × 3,390,688
4. Step 4: Simplify right side
   2,378,560x = 11,496,765,113,344
5. Step 5: Solve for x
   x = 11,496,765,113,344/2,378,560
6. Step 6: Final answer
   x = 4,833,498.05