Finding the Third Proportional to 428,800.50 and 914,544

Step by Step Solution

1. Step 1: Write the proportion equation
   428,800.50 : 914,544 = 914,544 : x
2. Step 2: Convert to fraction form
   428,800.50/914,544 = 914,544/x
3. Step 3: Cross multiply
   428,800.50x = 914,544 × 914,544
4. Step 4: Simplify right side
   428,800.50x = 836,390,727,936
5. Step 5: Solve for x
   x = 836,390,727,936/428,800.50
6. Step 6: Final answer
   x = 1,950,535.80