Finding the Third Proportional to 3,493,706 and 7,639,132

Step by Step Solution

1. Step 1: Write the proportion equation
   3,493,706 : 7,639,132 = 7,639,132 : x
2. Step 2: Convert to fraction form
   3,493,706/7,639,132 = 7,639,132/x
3. Step 3: Cross multiply
   3,493,706x = 7,639,132 × 7,639,132
4. Step 4: Simplify right side
   3,493,706x = 58,356,337,713,424
5. Step 5: Solve for x
   x = 58,356,337,713,424/3,493,706
6. Step 6: Final answer
   x = 16,703,276.61