Finding the Third Proportional to 726,522.75 and 997,321.50

Step by Step Solution

1. Step 1: Write the proportion equation
   726,522.75 : 997,321.50 = 997,321.50 : x
2. Step 2: Convert to fraction form
   726,522.75/997,321.50 = 997,321.50/x
3. Step 3: Cross multiply
   726,522.75x = 997,321.50 × 997,321.50
4. Step 4: Simplify right side
   726,522.75x = 994,650,174,362.25
5. Step 5: Solve for x
   x = 994,650,174,362.25/726,522.75
6. Step 6: Final answer
   x = 1,369,055.79