Finding the Third Proportional to 2,199,192 and 3,405,200

Step by Step Solution

1. Step 1: Write the proportion equation
   2,199,192 : 3,405,200 = 3,405,200 : x
2. Step 2: Convert to fraction form
   2,199,192/3,405,200 = 3,405,200/x
3. Step 3: Cross multiply
   2,199,192x = 3,405,200 × 3,405,200
4. Step 4: Simplify right side
   2,199,192x = 11,595,387,040,000
5. Step 5: Solve for x
   x = 11,595,387,040,000/2,199,192
6. Step 6: Final answer
   x = 5,272,566.94