Finding the Third Proportional to 2,155,373 and 3,381,129

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,373 : 3,381,129 = 3,381,129 : x
2. Step 2: Convert to fraction form
   2,155,373/3,381,129 = 3,381,129/x
3. Step 3: Cross multiply
   2,155,373x = 3,381,129 × 3,381,129
4. Step 4: Simplify right side
   2,155,373x = 11,432,033,314,641
5. Step 5: Solve for x
   x = 11,432,033,314,641/2,155,373
6. Step 6: Final answer
   x = 5,303,969.81