Finding the Third Proportional to 1,611,744 and 2,190,212

Step by Step Solution

1. Step 1: Write the proportion equation
   1,611,744 : 2,190,212 = 2,190,212 : x
2. Step 2: Convert to fraction form
   1,611,744/2,190,212 = 2,190,212/x
3. Step 3: Cross multiply
   1,611,744x = 2,190,212 × 2,190,212
4. Step 4: Simplify right side
   1,611,744x = 4,797,028,604,944
5. Step 5: Solve for x
   x = 4,797,028,604,944/1,611,744
6. Step 6: Final answer
   x = 2,976,296.86