Finding the Third Proportional to 3,347,616 and 7,321,200

Step by Step Solution

1. Step 1: Write the proportion equation
   3,347,616 : 7,321,200 = 7,321,200 : x
2. Step 2: Convert to fraction form
   3,347,616/7,321,200 = 7,321,200/x
3. Step 3: Cross multiply
   3,347,616x = 7,321,200 × 7,321,200
4. Step 4: Simplify right side
   3,347,616x = 53,599,969,440,000
5. Step 5: Solve for x
   x = 53,599,969,440,000/3,347,616
6. Step 6: Final answer
   x = 16,011,385.25