Finding the Third Proportional to 3,621,320 and 7,965,776

Step by Step Solution

1. Step 1: Write the proportion equation
   3,621,320 : 7,965,776 = 7,965,776 : x
2. Step 2: Convert to fraction form
   3,621,320/7,965,776 = 7,965,776/x
3. Step 3: Cross multiply
   3,621,320x = 7,965,776 × 7,965,776
4. Step 4: Simplify right side
   3,621,320x = 63,453,587,282,176
5. Step 5: Solve for x
   x = 63,453,587,282,176/3,621,320
6. Step 6: Final answer
   x = 17,522,225.95