Finding the Third Proportional to 504,099 and 798,601.50

Step by Step Solution

1. Step 1: Write the proportion equation
   504,099 : 798,601.50 = 798,601.50 : x
2. Step 2: Convert to fraction form
   504,099/798,601.50 = 798,601.50/x
3. Step 3: Cross multiply
   504,099x = 798,601.50 × 798,601.50
4. Step 4: Simplify right side
   504,099x = 637,764,355,802.25
5. Step 5: Solve for x
   x = 637,764,355,802.25/504,099
6. Step 6: Final answer
   x = 1,265,156.95