Finding the Third Proportional to 120,069 and 262,273.50

Step by Step Solution

1. Step 1: Write the proportion equation
   120,069 : 262,273.50 = 262,273.50 : x
2. Step 2: Convert to fraction form
   120,069/262,273.50 = 262,273.50/x
3. Step 3: Cross multiply
   120,069x = 262,273.50 × 262,273.50
4. Step 4: Simplify right side
   120,069x = 68,787,388,802.25
5. Step 5: Solve for x
   x = 68,787,388,802.25/120,069
6. Step 6: Final answer
   x = 572,898.82