Finding the Third Proportional to 120,010 and 262,620

Step by Step Solution

1. Step 1: Write the proportion equation
   120,010 : 262,620 = 262,620 : x
2. Step 2: Convert to fraction form
   120,010/262,620 = 262,620/x
3. Step 3: Cross multiply
   120,010x = 262,620 × 262,620
4. Step 4: Simplify right side
   120,010x = 68,969,264,400
5. Step 5: Solve for x
   x = 68,969,264,400/120,010
6. Step 6: Final answer
   x = 574,695.98