Finding the Third Proportional to 262,020 and 561,394.50

Step by Step Solution

1. Step 1: Write the proportion equation
   262,020 : 561,394.50 = 561,394.50 : x
2. Step 2: Convert to fraction form
   262,020/561,394.50 = 561,394.50/x
3. Step 3: Cross multiply
   262,020x = 561,394.50 × 561,394.50
4. Step 4: Simplify right side
   262,020x = 315,163,784,630.25
5. Step 5: Solve for x
   x = 315,163,784,630.25/262,020
6. Step 6: Final answer
   x = 1,202,823.39