Finding the Third Proportional to 454,311 and 705,433.50

Step by Step Solution

1. Step 1: Write the proportion equation
   454,311 : 705,433.50 = 705,433.50 : x
2. Step 2: Convert to fraction form
   454,311/705,433.50 = 705,433.50/x
3. Step 3: Cross multiply
   454,311x = 705,433.50 × 705,433.50
4. Step 4: Simplify right side
   454,311x = 497,636,422,922.25
5. Step 5: Solve for x
   x = 497,636,422,922.25/454,311
6. Step 6: Final answer
   x = 1,095,365.12