Finding the Third Proportional to 694,444.50 and 991,150.50

Step by Step Solution

1. Step 1: Write the proportion equation
   694,444.50 : 991,150.50 = 991,150.50 : x
2. Step 2: Convert to fraction form
   694,444.50/991,150.50 = 991,150.50/x
3. Step 3: Cross multiply
   694,444.50x = 991,150.50 × 991,150.50
4. Step 4: Simplify right side
   694,444.50x = 982,379,313,650.25
5. Step 5: Solve for x
   x = 982,379,313,650.25/694,444.50
6. Step 6: Final answer
   x = 1,414,626.10