Finding the Third Proportional to 7,330,176 and 9,639,321

Step by Step Solution

1. Step 1: Write the proportion equation
   7,330,176 : 9,639,321 = 9,639,321 : x
2. Step 2: Convert to fraction form
   7,330,176/9,639,321 = 9,639,321/x
3. Step 3: Cross multiply
   7,330,176x = 9,639,321 × 9,639,321
4. Step 4: Simplify right side
   7,330,176x = 92,916,509,341,041
5. Step 5: Solve for x
   x = 92,916,509,341,041/7,330,176
6. Step 6: Final answer
   x = 12,675,890.64