Finding the Third Proportional to 542,598.50 and 798,213

Step by Step Solution

1. Step 1: Write the proportion equation
   542,598.50 : 798,213 = 798,213 : x
2. Step 2: Convert to fraction form
   542,598.50/798,213 = 798,213/x
3. Step 3: Cross multiply
   542,598.50x = 798,213 × 798,213
4. Step 4: Simplify right side
   542,598.50x = 637,143,993,369
5. Step 5: Solve for x
   x = 637,143,993,369/542,598.50
6. Step 6: Final answer
   x = 1,174,245.77