Finding the Third Proportional to 1,611,736 and 2,190,200

Step by Step Solution

1. Step 1: Write the proportion equation
   1,611,736 : 2,190,200 = 2,190,200 : x
2. Step 2: Convert to fraction form
   1,611,736/2,190,200 = 2,190,200/x
3. Step 3: Cross multiply
   1,611,736x = 2,190,200 × 2,190,200
4. Step 4: Simplify right side
   1,611,736x = 4,796,976,040,000
5. Step 5: Solve for x
   x = 4,796,976,040,000/1,611,736
6. Step 6: Final answer
   x = 2,976,279.02