Finding the Third Proportional to 454,727.25 and 990,185.34

Step by Step Solution

1. Step 1: Write the proportion equation
   454,727.25 : 990,185.34 = 990,185.34 : x
2. Step 2: Convert to fraction form
   454,727.25/990,185.34 = 990,185.34/x
3. Step 3: Cross multiply
   454,727.25x = 990,185.34 × 990,185.34
4. Step 4: Simplify right side
   454,727.25x = 980,467,014,977.31
5. Step 5: Solve for x
   x = 980,467,014,977.31/454,727.25
6. Step 6: Final answer
   x = 2,156,165.07