Finding the Third Proportional to 2,142,256 and 3,319,188

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,256 : 3,319,188 = 3,319,188 : x
2. Step 2: Convert to fraction form
   2,142,256/3,319,188 = 3,319,188/x
3. Step 3: Cross multiply
   2,142,256x = 3,319,188 × 3,319,188
4. Step 4: Simplify right side
   2,142,256x = 11,017,008,979,344
5. Step 5: Solve for x
   x = 11,017,008,979,344/2,142,256
6. Step 6: Final answer
   x = 5,142,713.56