Finding the Third Proportional to 2,213,036 and 3,417,780

Step by Step Solution

1. Step 1: Write the proportion equation
   2,213,036 : 3,417,780 = 3,417,780 : x
2. Step 2: Convert to fraction form
   2,213,036/3,417,780 = 3,417,780/x
3. Step 3: Cross multiply
   2,213,036x = 3,417,780 × 3,417,780
4. Step 4: Simplify right side
   2,213,036x = 11,681,220,128,400
5. Step 5: Solve for x
   x = 11,681,220,128,400/2,213,036
6. Step 6: Final answer
   x = 5,278,368.78