Finding the Third Proportional to 726,535.50 and 997,339.50

Step by Step Solution

1. Step 1: Write the proportion equation
   726,535.50 : 997,339.50 = 997,339.50 : x
2. Step 2: Convert to fraction form
   726,535.50/997,339.50 = 997,339.50/x
3. Step 3: Cross multiply
   726,535.50x = 997,339.50 × 997,339.50
4. Step 4: Simplify right side
   726,535.50x = 994,686,078,260.25
5. Step 5: Solve for x
   x = 994,686,078,260.25/726,535.50
6. Step 6: Final answer
   x = 1,369,081.18