Finding the Third Proportional to 3,586,434 and 7,739,616

Step by Step Solution

1. Step 1: Write the proportion equation
   3,586,434 : 7,739,616 = 7,739,616 : x
2. Step 2: Convert to fraction form
   3,586,434/7,739,616 = 7,739,616/x
3. Step 3: Cross multiply
   3,586,434x = 7,739,616 × 7,739,616
4. Step 4: Simplify right side
   3,586,434x = 59,901,655,827,456
5. Step 5: Solve for x
   x = 59,901,655,827,456/3,586,434
6. Step 6: Final answer
   x = 16,702,288.63