Finding the Third Proportional to 454,212 and 985,695.75

Step by Step Solution

1. Step 1: Write the proportion equation
   454,212 : 985,695.75 = 985,695.75 : x
2. Step 2: Convert to fraction form
   454,212/985,695.75 = 985,695.75/x
3. Step 3: Cross multiply
   454,212x = 985,695.75 × 985,695.75
4. Step 4: Simplify right side
   454,212x = 971,596,111,568.06
5. Step 5: Solve for x
   x = 971,596,111,568.06/454,212
6. Step 6: Final answer
   x = 2,139,080.68