Finding the Third Proportional to 2,015,891 and 3,121,342

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015,891 : 3,121,342 = 3,121,342 : x
2. Step 2: Convert to fraction form
   2,015,891/3,121,342 = 3,121,342/x
3. Step 3: Cross multiply
   2,015,891x = 3,121,342 × 3,121,342
4. Step 4: Simplify right side
   2,015,891x = 9,742,775,880,964
5. Step 5: Solve for x
   x = 9,742,775,880,964/2,015,891
6. Step 6: Final answer
   x = 4,832,987.44