Finding the Third Proportional to 3,402,112 and 4,622,400

Step by Step Solution

1. Step 1: Write the proportion equation
   3,402,112 : 4,622,400 = 4,622,400 : x
2. Step 2: Convert to fraction form
   3,402,112/4,622,400 = 4,622,400/x
3. Step 3: Cross multiply
   3,402,112x = 4,622,400 × 4,622,400
4. Step 4: Simplify right side
   3,402,112x = 21,366,581,760,000
5. Step 5: Solve for x
   x = 21,366,581,760,000/3,402,112
6. Step 6: Final answer
   x = 6,280,387.52