Finding the Third Proportional to 454,905 and 706,335.75

Step by Step Solution

1. Step 1: Write the proportion equation
   454,905 : 706,335.75 = 706,335.75 : x
2. Step 2: Convert to fraction form
   454,905/706,335.75 = 706,335.75/x
3. Step 3: Cross multiply
   454,905x = 706,335.75 × 706,335.75
4. Step 4: Simplify right side
   454,905x = 498,910,191,728.06
5. Step 5: Solve for x
   x = 498,910,191,728.06/454,905
6. Step 6: Final answer
   x = 1,096,734.90