Finding the Third Proportional to 374,556 and 547,816.50

Step by Step Solution

1. Step 1: Write the proportion equation
   374,556 : 547,816.50 = 547,816.50 : x
2. Step 2: Convert to fraction form
   374,556/547,816.50 = 547,816.50/x
3. Step 3: Cross multiply
   374,556x = 547,816.50 × 547,816.50
4. Step 4: Simplify right side
   374,556x = 300,102,917,672.25
5. Step 5: Solve for x
   x = 300,102,917,672.25/374,556
6. Step 6: Final answer
   x = 801,223.10