Finding the Third Proportional to 443,516.25 and 694,945.50

Step by Step Solution

1. Step 1: Write the proportion equation
   443,516.25 : 694,945.50 = 694,945.50 : x
2. Step 2: Convert to fraction form
   443,516.25/694,945.50 = 694,945.50/x
3. Step 3: Cross multiply
   443,516.25x = 694,945.50 × 694,945.50
4. Step 4: Simplify right side
   443,516.25x = 482,949,247,970.25
5. Step 5: Solve for x
   x = 482,949,247,970.25/443,516.25
6. Step 6: Final answer
   x = 1,088,909.93