Finding the Third Proportional to 214,911 and 505,525.50

Step by Step Solution

1. Step 1: Write the proportion equation
   214,911 : 505,525.50 = 505,525.50 : x
2. Step 2: Convert to fraction form
   214,911/505,525.50 = 505,525.50/x
3. Step 3: Cross multiply
   214,911x = 505,525.50 × 505,525.50
4. Step 4: Simplify right side
   214,911x = 255,556,031,150.25
5. Step 5: Solve for x
   x = 255,556,031,150.25/214,911
6. Step 6: Final answer
   x = 1,189,124.95