Finding the Third Proportional to 3,321,561 and 5,423,763

Step by Step Solution

1. Step 1: Write the proportion equation
   3,321,561 : 5,423,763 = 5,423,763 : x
2. Step 2: Convert to fraction form
   3,321,561/5,423,763 = 5,423,763/x
3. Step 3: Cross multiply
   3,321,561x = 5,423,763 × 5,423,763
4. Step 4: Simplify right side
   3,321,561x = 29,417,205,080,169
5. Step 5: Solve for x
   x = 29,417,205,080,169/3,321,561
6. Step 6: Final answer
   x = 8,856,439.81